Issue:
Bug: handle force decline for no 3ds requests in adyen



We need to start sending execute_three_d as false in adyen no3ds payments request to skip 3ds auth.

Pull request description:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [x] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
We need to start sending execute_three_d as false in adyen no3ds payments request to skip 3ds auth at adyen ends.

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

<!--
Provide links to the files with corresponding changes.

Following are the paths where you can find config files:
1. `config`
2. `crates/router/src/configs`
3. `loadtest/config`
-->


## Motivation and Context
<!--
Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.

If you don't have an issue, we'd recommend starting with one first so the PR
can focus on the implementation (unless it is an obvious bug or documentation fix
that will have little conversation).
-->


## How did you test it?
<!--
Did you write an integration/unit/API test to verify the code changes?
Or did you test this change manually (provide relevant screenshots)?
-->
```
curl --location 'http://localhost:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: dev_**' \
--data-raw '{
    "amount": 600,
    "currency": "USD",
    "connector": [
        "adyen"
    ],
    "customer_id": "cus_CDei4NEhboFFubgAxsy8",
    "profile_id": "pro_kl4dSq0FXRc2PC6oZYic",
    "confirm": true,
    "payment_link": false,
    "capture_method": "automatic",
    "capture_on": "2029-09-10T10:11:12Z",
    "amount_to_capture": 600,
    "name": "John Doe",
    "email": "dg@example.com",
    "phone": "999999999",
    "phone_country_code": "+1",
    "description": "Its my first payment request",
    "return_url": "https://google.com",
    "payment_method_data": {
        "card": {
            "card_number": "3714 4963 5398 431",
            "card_exp_month": "03",
            "card_exp_year": "2030",
            "card_holder_name": "joseph Doe",
            "card_cvc": "7373"
        },
        "billing": {
            "address": {
                "line1": "1467",
                "line2": "CA",
                "city": "San Fransico",
                "state": "California",
                "zip": "94122",
                "country": "US"
            }
        }
    },
    "payment_method": "card",
    "payment_method_type": "credit",
    "browser_info": {
        "color_depth": 24,
        "java_enabled": true,
        "java_script_enabled": true,
        "language": "en-GB",
        "screen_height": 720,
        "screen_width": 1280,
        "time_zone": -330,
        "ip_address": "208.127.127.193",
        "accept_header": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
        "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0"
    },
    "metadata": {
        "udf1": "value1",
        "new_customer": "true",
        "login_date": "2019-09-10T10:11:12Z"
    },
    "order_details": [
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        },
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        },
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        }
    ]
}'
```
Response:
```
{"payment_id":"pay_i1WPa87SrXPwwNVQmvWi","merchant_id":"merchant_1757416130","status":"succeeded","amount":600,"net_amount":600,"shipping_cost":null,"amount_capturable":0,"amount_received":600,"connector":"adyen","client_secret":"pay_1","created":"2025-09-09T13:40:59.979Z","currency":"USD","customer_id":"cus_CDei4NEhboFFubgAxsy8","customer":{"id":"cus_CDei4NEhboFFubgAxsy8","name":"John Doe","email":"dg@example.com","phone":"999999999","phone_country_code":"+1"},"description":"Its my first payment request","refunds":null,"disputes":null,"mandate_id":null,"mandate_data":null,"setup_future_usage":null,"off_session":null,"capture_on":null,"capture_method":"automatic","payment_method":"card","payment_method_data":{"card":{"last4":"8431","card_type":null,"card_network":null,"card_issuer":null,"card_issuing_country":null,"card_isin":"371449","card_extended_bin":null,"card_exp_month":"03","card_exp_year":"2030","card_holder_name":"joseph Doe","payment_checks":null,"authentication_data":null},"billing":{"address":{"city":"San Fransico","country":"US","line1":"1467","line2":"CA","line3":null,"zip":"94122","state":"California","first_name":null,"last_name":null,"origin_zip":null},"phone":null,"email":null}},"payment_token":null,"shipping":null,"billing":null,"order_details":[{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null},{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null},{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null}],"email":"dg@example.com","name":"John Doe","phone":"999999999","return_url":"https://google.com/","authentication_type":"no_three_ds","statement_descriptor_name":null,"statement_descriptor_suffix":null,"next_action":null,"cancellation_reason":null,"error_code":null,"error_message":null,"unified_code":null,"unified_message":null,"payment_experience":null,"payment_method_type":"credit","connector_label":null,"business_country":null,"business_label":"default","business_sub_label":null,"allowed_payment_method_types":null,"ephemeral_key":{"customer_id":"cus_CDei4NEhboFFubgAxsy8","created_at":1757425259,"expires":1757428859,"secret":"epk_c68ada5037fa41c2baf2979129cafaad"},"manual_retry_allowed":false,"connector_transaction_id":"GRVGDV9XKZZBDR75","frm_message":null,"metadata":{"udf1":"value1","login_date":"2019-09-10T10:11:12Z","new_customer":"true"},"connector_metadata":null,"feature_metadata":{"redirect_response":null,"search_tags":null,"apple_pay_recurring_details":null,"gateway_system":"direct"},"reference_id":"pay_i1WPa87SrXPwwNVQmvWi_1","payment_link":null,"profile_id":"pro_kl4dSq0FXRc2PC6oZYic","surcharge_details":null,"attempt_count":1,"merchant_decision":null,"merchant_connector_id":"mca_SWDhbvMuWt3v5vlL6MNT","incremental_authorization_allowed":false,"authorization_count":null,"incremental_authorizations":null,"external_authentication_details":null,"external_3ds_authentication_attempted":false,"expires_on":"2025-09-09T13:55:59.979Z","fingerprint":null,"browser_info":{"language":"en-GB","time_zone":-330,"ip_address":"208.127.127.193","user_agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","color_depth":24,"java_enabled":true,"screen_width":1280,"accept_header":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8","screen_height":720,"java_script_enabled":true},"payment_channel":null,"payment_method_id":null,"network_transaction_id":"439956500571320","payment_method_status":null,"updated":"2025-09-09T13:41:03.043Z","split_payments":null,"frm_metadata":null,"extended_authorization_applied":null,"capture_before":null,"merchant_order_reference_id":null,"order_tax_amount":null,"connector_mandate_id":null,"card_discovery":"manual","force_3ds_challenge":false,"force_3ds_challenge_trigger":false,"issuer_error_code":null,"issuer_error_message":null,"is_iframe_redirection_enabled":null,"whole_connector_response":null,"enable_partial_authorization":null,"enable_overcapture":null,"is_overcapture_enabled":null}
```

## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `cargo +nightly fmt --all`
- [x] I addressed lints thrown by `cargo clippy`
- [ ] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible


Testing:

```
curl --location 'http://localhost:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: dev_**' \
--data-raw '{
    "amount": 600,
    "currency": "USD",
    "connector": [
        "adyen"
    ],
    "customer_id": "cus_CDei4NEhboFFubgAxsy8",
    "profile_id": "pro_kl4dSq0FXRc2PC6oZYic",
    "confirm": true,
    "payment_link": false,
    "capture_method": "automatic",
    "capture_on": "2029-09-10T10:11:12Z",
    "amount_to_capture": 600,
    "name": "John Doe",
    "email": "dg@example.com",
    "phone": "999999999",
    "phone_country_code": "+1",
    "description": "Its my first payment request",
    "return_url": "https://google.com",
    "payment_method_data": {
        "card": {
            "card_number": "3714 4963 5398 431",
            "card_exp_month": "03",
            "card_exp_year": "2030",
            "card_holder_name": "joseph Doe",
            "card_cvc": "7373"
        },
        "billing": {
            "address": {
                "line1": "1467",
                "line2": "CA",
                "city": "San Fransico",
                "state": "California",
                "zip": "94122",
                "country": "US"
            }
        }
    },
    "payment_method": "card",
    "payment_method_type": "credit",
    "browser_info": {
        "color_depth": 24,
        "java_enabled": true,
        "java_script_enabled": true,
        "language": "en-GB",
        "screen_height": 720,
        "screen_width": 1280,
        "time_zone": -330,
        "ip_address": "208.127.127.193",
        "accept_header": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
        "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0"
    },
    "metadata": {
        "udf1": "value1",
        "new_customer": "true",
        "login_date": "2019-09-10T10:11:12Z"
    },
    "order_details": [
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        },
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        },
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        }
    ]
}'
```
Response:
```
{"payment_id":"pay_i1WPa87SrXPwwNVQmvWi","merchant_id":"merchant_1757416130","status":"succeeded","amount":600,"net_amount":600,"shipping_cost":null,"amount_capturable":0,"amount_received":600,"connector":"adyen","client_secret":"pay_1","created":"2025-09-09T13:40:59.979Z","currency":"USD","customer_id":"cus_CDei4NEhboFFubgAxsy8","customer":{"id":"cus_CDei4NEhboFFubgAxsy8","name":"John Doe","email":"dg@example.com","phone":"999999999","phone_country_code":"+1"},"description":"Its my first payment request","refunds":null,"disputes":null,"mandate_id":null,"mandate_data":null,"setup_future_usage":null,"off_session":null,"capture_on":null,"capture_method":"automatic","payment_method":"card","payment_method_data":{"card":{"last4":"8431","card_type":null,"card_network":null,"card_issuer":null,"card_issuing_country":null,"card_isin":"371449","card_extended_bin":null,"card_exp_month":"03","card_exp_year":"2030","card_holder_name":"joseph Doe","payment_checks":null,"authentication_data":null},"billing":{"address":{"city":"San Fransico","country":"US","line1":"1467","line2":"CA","line3":null,"zip":"94122","state":"California","first_name":null,"last_name":null,"origin_zip":null},"phone":null,"email":null}},"payment_token":null,"shipping":null,"billing":null,"order_details":[{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null},{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null},{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null}],"email":"dg@example.com","name":"John Doe","phone":"999999999","return_url":"https://google.com/","authentication_type":"no_three_ds","statement_descriptor_name":null,"statement_descriptor_suffix":null,"next_action":null,"cancellation_reason":null,"error_code":null,"error_message":null,"unified_code":null,"unified_message":null,"payment_experience":null,"payment_method_type":"credit","connector_label":null,"business_country":null,"business_label":"default","business_sub_label":null,"allowed_payment_method_types":null,"ephemeral_key":{"customer_id":"cus_CDei4NEhboFFubgAxsy8","created_at":1757425259,"expires":1757428859,"secret":"epk_c68ada5037fa41c2baf2979129cafaad"},"manual_retry_allowed":false,"connector_transaction_id":"GRVGDV9XKZZBDR75","frm_message":null,"metadata":{"udf1":"value1","login_date":"2019-09-10T10:11:12Z","new_customer":"true"},"connector_metadata":null,"feature_metadata":{"redirect_response":null,"search_tags":null,"apple_pay_recurring_details":null,"gateway_system":"direct"},"reference_id":"pay_i1WPa87SrXPwwNVQmvWi_1","payment_link":null,"profile_id":"pro_kl4dSq0FXRc2PC6oZYic","surcharge_details":null,"attempt_count":1,"merchant_decision":null,"merchant_connector_id":"mca_SWDhbvMuWt3v5vlL6MNT","incremental_authorization_allowed":false,"authorization_count":null,"incremental_authorizations":null,"external_authentication_details":null,"external_3ds_authentication_attempted":false,"expires_on":"2025-09-09T13:55:59.979Z","fingerprint":null,"browser_info":{"language":"en-GB","time_zone":-330,"ip_address":"208.127.127.193","user_agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","color_depth":24,"java_enabled":true,"screen_width":1280,"accept_header":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8","screen_height":720,"java_script_enabled":true},"payment_channel":null,"payment_method_id":null,"network_transaction_id":"439956500571320","payment_method_status":null,"updated":"2025-09-09T13:41:03.043Z","split_payments":null,"frm_metadata":null,"extended_authorization_applied":null,"capture_before":null,"merchant_order_reference_id":null,"order_tax_amount":null,"connector_mandate_id":null,"card_discovery":"manual","force_3ds_challenge":false,"force_3ds_challenge_trigger":false,"issuer_error_code":null,"issuer_error_message":null,"is_iframe_redirection_enabled":null,"whole_connector_response":null,"enable_partial_authorization":null,"enable_overcapture":null,"is_overcapture_enabled":null}
```

Patch:
diff --git a/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs b/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs
index 7494f452646..dee0efbf0b6 100644
--- a/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs
+++ b/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs
@@ -1887,29 +1887,19 @@ fn get_additional_data(item: &PaymentsAuthorizeRouterData) -> Option<AdditionalD
     let execute_three_d = if matches!(item.auth_type, storage_enums::AuthenticationType::ThreeDs) {
         Some("true".to_string())
     } else {
-        None
+        Some("false".to_string())
     };
-    if authorisation_type.is_none()
-        && manual_capture.is_none()
-        && execute_three_d.is_none()
-        && riskdata.is_none()
-    {
-        //without this if-condition when the above 3 values are None, additionalData will be serialized to JSON like this -> additionalData: {}
-        //returning None, ensures that additionalData key will not be present in the serialized JSON
-        None
-    } else {
-        Some(AdditionalData {
-            authorisation_type,
-            manual_capture,
-            execute_three_d,
-            network_tx_reference: None,
-            recurring_detail_reference: None,
-            recurring_shopper_reference: None,
-            recurring_processing_model: None,
-            riskdata,
-            ..AdditionalData::default()
-        })
-    }
+    Some(AdditionalData {
+        authorisation_type,
+        manual_capture,
+        execute_three_d,
+        network_tx_reference: None,
+        recurring_detail_reference: None,
+        recurring_shopper_reference: None,
+        recurring_processing_model: None,
+        riskdata,
+        ..AdditionalData::default()
+    })
 }
 
 fn get_channel_type(pm_type: Option<storage_enums::PaymentMethodType>) -> Option<Channel> {