Bug: [CYPRESS] Fix Cypress connector failures



Wise
Elavon
Paybox
Datatrans
Facilitapay
Itaubank
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [x] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [x] CI/CD

## Description
<!-- Describe your changes in detail -->

This PR fixes Cypress tests for Itaubank, Paybox and Datatrans.

Datatrans still fail. Datatrans fails because `ResponseCustom` needs a refactor while Paybox requires us to pass `FR` as country and upon fixing it, it started to say wrong creds.

Facilitapay has no issues. Wise and Elavon creds issue.

JP Morgan addressed in https://github.com/juspay/hyperswitch/pull/8282

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

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1. `config`
2. `crates/router/src/configs`
3. `loadtest/config`
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## 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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Fix stuff. Closes #8230 

## 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)?
-->

|command|screenshot|
|-|-|
|`CYPRESS_CONNECTOR=itaubank npm run cypress:payments`|<img width="420" alt="image" src="https://github.com/user-attachments/assets/988695cf-97af-4c6d-88bc-8fdc04ae4caf" />|
|`CYPRESS_CONNECTOR=datatrans npm run cypress:payments`|<img width="424" alt="image" src="https://github.com/user-attachments/assets/398e7468-fec9-43f9-a8e4-9bc24c41eeb2" />|
|`CYPRESS_CONNECTOR=facilitapay npm run cypress:payments`|![image](https://github.com/user-attachments/assets/fe19b957-7f86-4936-a75e-514d589cdb6c)|

## Checklist
<!-- Put an `x` in the boxes that apply -->

- [ ] I formatted the code `cargo +nightly fmt --all`
- [ ] I addressed lints thrown by `cargo clippy`
- [x] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible



|command|screenshot|
|-|-|
|`CYPRESS_CONNECTOR=itaubank npm run cypress:payments`|<img width="420" alt="image" src="https://github.com/user-attachments/assets/988695cf-97af-4c6d-88bc-8fdc04ae4caf" />|
|`CYPRESS_CONNECTOR=datatrans npm run cypress:payments`|<img width="424" alt="image" src="https://github.com/user-attachments/assets/398e7468-fec9-43f9-a8e4-9bc24c41eeb2" />|
|`CYPRESS_CONNECTOR=facilitapay npm run cypress:payments`|![image](https://github.com/user-attachments/assets/fe19b957-7f86-4936-a75e-514d589cdb6c)|
