Issue:
refactor(router): send 200 response for 5xx status codes received from connector

## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [x] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
Send the 200 response with status as `processing`, populating error_code and error_message when we receive 5xx status codes from connector.


### Additional Changes

- [ ] This PR modifies the API contract
- [x] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

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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
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Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.

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## How did you test it?
Tested Manually
DB payment_attempt for 5xx code from connector
![image](https://github.com/juspay/hyperswitch/assets/56996463/a3231f83-04ee-4303-bf1c-239d70d3840a)

Payments response for 5xx code from connector
![image](https://github.com/juspay/hyperswitch/assets/56996463/fabebf05-fd28-42b5-a70e-2f086a478bb0)

## 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 submitted code
- [ ] I added unit tests for my changes where possible
- [ ] I added a [CHANGELOG](/CHANGELOG.md) entry if applicable


Resolution:
<think>
PR Context:
- Title: fix(connector): [Trustpay] add reason to all the error responses
- Merged: 2023-06-20T10:35:24Z
- Files changed: 2 files
- Commits: 1 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [x] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
After #1440, we are sending reason as error_message in payments response. Added valid reason for all the error responses. 


### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configurati
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** fix(connector): [Trustpay] add reason to all the error responses (#1482)
Files to modify:


**crates/router/src/connector/trustpay.rs**
  Modify existing code

**crates/router/src/connector/trustpay/transformers.rs**
  Modify existing code