Issue:
Bug: [BUG] For trust pay in session token card brand is coming as empty so click to pay page is not loading



### Bug Description

For trust pay in session token card brand is coming as empty so click to pay page is not loading

### Expected Behavior

For trust pay in session token card brand should not come as empty so that click to pay page will load

### Actual Behavior

For trust pay in session token card brand is coming as empty so click to pay page is not loading

### Steps To Reproduce

Provide an unambiguous set of steps to reproduce this bug. Include code or configuration to reproduce, if relevant.
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'


### Context For The Bug

_No response_

### Environment

Are you using hyperswitch hosted version? Yes/No
If yes, please provide the value of the `x-request-id` response header to help us debug your issue.

If not (or if building/running locally), please provide the following details:
1. Operating System or Linux distribution:
2. Rust version (output of `rustc --version`): ``
3. App version (output of `cargo r --features vergen -- --version`): ``


### Have you spent some time checking if this bug has been raised before?

- [x] I checked and didn't find a similar issue

### Have you read the Contributing Guidelines?

- [x] I have read the [Contributing Guidelines](https://github.com/juspay/hyperswitch/blob/main/docs/CONTRIBUTING.md)

### Are you willing to submit a PR?

Yes, I am willing to submit a PR!

Pull request description:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [x] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

Closes this [issue](https://github.com/juspay/hyperswitch/issues/8623)

## Description
<!-- Describe your changes in detail -->

Added trustpay in authentication providers config

### 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)?
-->

Steps for testing is given in this [PR](https://github.com/juspay/hyperswitch/pull/8304)

Screenshot that is showing `card_brands` in Session Call for Trustpay:

<img width="653" height="542" alt="Screenshot 2025-07-13 at 2 07 31 PM" src="https://github.com/user-attachments/assets/4249444b-9558-49b3-a257-cabc9219ca19" />


Cypress Screenshot:

<img width="1442" height="1932" alt="image (6)" src="https://github.com/user-attachments/assets/e72b900c-a90a-40aa-8230-a6766c75249e" />



## 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`
- [x] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible


Testing:


Steps for testing is given in this [PR](https://github.com/juspay/hyperswitch/pull/8304)

Screenshot that is showing `card_brands` in Session Call for Trustpay:

<img width="653" height="542" alt="Screenshot 2025-07-13 at 2 07 31 PM" src="https://github.com/user-attachments/assets/4249444b-9558-49b3-a257-cabc9219ca19" />


Cypress Screenshot:

<img width="1442" height="1932" alt="image (6)" src="https://github.com/user-attachments/assets/e72b900c-a90a-40aa-8230-a6766c75249e" />

Patch:
diff --git a/config/deployments/integration_test.toml b/config/deployments/integration_test.toml
index 77775f87bf0..9c85481a235 100644
--- a/config/deployments/integration_test.toml
+++ b/config/deployments/integration_test.toml
@@ -786,4 +786,4 @@ monitoring_threshold_in_seconds = 2592000
 retry_algorithm_type = "cascading"  
 
 [authentication_providers]
-click_to_pay = {connector_list = "adyen, cybersource"}
\ No newline at end of file
+click_to_pay = {connector_list = "adyen, cybersource, trustpay"}
\ No newline at end of file
diff --git a/config/deployments/production.toml b/config/deployments/production.toml
index 7b0b29e007b..220da03461d 100644
--- a/config/deployments/production.toml
+++ b/config/deployments/production.toml
@@ -791,7 +791,7 @@ billing_connectors_which_require_payment_sync = "stripebilling, recurly"
 billing_connectors_which_requires_invoice_sync_call = "recurly"
 
 [authentication_providers]
-click_to_pay = {connector_list = "adyen, cybersource"}
+click_to_pay = {connector_list = "adyen, cybersource, trustpay"}
 
 
 [revenue_recovery]
diff --git a/config/deployments/sandbox.toml b/config/deployments/sandbox.toml
index 12816d57bf4..efaff9947c1 100644
--- a/config/deployments/sandbox.toml
+++ b/config/deployments/sandbox.toml
@@ -797,7 +797,7 @@ billing_connectors_which_require_payment_sync = "stripebilling, recurly"
 billing_connectors_which_requires_invoice_sync_call = "recurly"
 
 [authentication_providers]
-click_to_pay = {connector_list = "adyen, cybersource"}
+click_to_pay = {connector_list = "adyen, cybersource, trustpay"}
 
 [revenue_recovery]
 monitoring_threshold_in_seconds = 2592000 
diff --git a/config/development.toml b/config/development.toml
index ccc9d7af32d..605873bbe8f 100644
--- a/config/development.toml
+++ b/config/development.toml
@@ -1204,7 +1204,7 @@ enabled = true
 allow_connected_merchants = true
 
 [authentication_providers]
-click_to_pay = {connector_list = "adyen, cybersource"}
+click_to_pay = {connector_list = "adyen, cybersource, trustpay"}
 
 [open_router]
 dynamic_routing_enabled = false
diff --git a/config/docker_compose.toml b/config/docker_compose.toml
index faf1d25e3c7..a972609d592 100644
--- a/config/docker_compose.toml
+++ b/config/docker_compose.toml
@@ -1116,7 +1116,7 @@ enabled = false
 hyperswitch_ai_host = "http://0.0.0.0:8000"
 
 [authentication_providers]
-click_to_pay = {connector_list = "adyen, cybersource"}
+click_to_pay = {connector_list = "adyen, cybersource, trustpay"}
 
 [revenue_recovery]
 monitoring_threshold_in_seconds = 2592000 # threshold for monitoring the retry system