Issue:
refactor(cypress): error handling and add sync refunds in places where missing

<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [x] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [x] CI/CD

## Description
<!-- Describe your changes in detail -->

This is a following PR of https://github.com/juspay/hyperswitch/pull/5093 that implements significant changes to the way Cypress handles `4xx` errors. Will go through it one by one:

- We now check if the error is 4xx and is `not supported` error in utils which is where `defaultErorHandler` have been moved. If yes, then we throw the error from `Commons.js`
- Removed `unsupported error` configs from all `connector.js` configs as we now have default case which takes of it
- Removed duplicate `getValueByKey()` as we now re-use the existing ones from utils
- Removed unused variables
- Used loops where ever possible
- `logRequestId()` could not moved to utils as the `cy.task()` used in that function can only be used in either `spec` file or `helper` file (`commands.js`)
- [Connector auth issue](https://github.com/juspay/hyperswitch/pull/4993#discussion_r1639835590) has been handled with [`55ae0b1` (#5128)](https://github.com/juspay/hyperswitch/pull/5128/commits/55ae0b1998b92ce70ed3df9fd366df7d06ed8a03)

### 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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Provide links to the files with corresponding changes.

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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.

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).
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NIL

## How did you test it?
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After commit [`7fac187` (#5128)](https://github.com/juspay/hyperswitch/pull/5128/commits/7fac187dd4dd166951f5aa4836b0a3e294fe35cb)

|Adyen|bank of America|Bluesnap|Cybersource|Iatapay|
|-|-|-|-|-|
|<img width="406" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/6646acb3-c78a-4e8b-9643-1d23bcc2b82e">|<img width="404" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/6cfd08dd-d53a-4eca-a006-1ce4801e3e50">|<img width="408" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/026daaf9-143f-411d-ae1c-251e6ccf9eb6">|<img width="407" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/4d217820-14b6-4967-bb05-f1bf1da7d5f3">|<img width="407" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/b2ac46ab-7ede-4d00-b668-64f3ea8a930b">|
|NMI|PayPal|Stripe|Trustpay||
|<img width="407" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/fdf4c536-9fb6-4586-9207-230584c3aa9e">|<img width="405" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/c647f969-5968-4b7a-a56f-b8263cb251cc">|<img width="406" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/bd90b4da-734b-4c7e-a9ea-c106948bf8a6">|<img width="404" alt="image" src="https://github.com/juspay/hyperswitch/assets/69745008/b9e1880f-2fa2-47e9-be70-6d84f3ded217">||


NMI PMID 2 failures are backend issues and @likhinbopanna is behind it.

## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `prettier . --write`
- [ ] I addressed lints thrown by `cargo clippy`
- [x] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible


Resolution:
<think>
PR Context:
- Title: refactor(cypress): error handling and add sync refunds in places where missing
- Merged: 2024-07-04T08:01:03Z
- Files changed: 23 files
- Commits: 30 commits

Implementation approach:
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [x] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [x] CI/CD

## Description
<!-- Describe your changes in detail -->

This is a following PR of https://github.com/juspay/hyperswitch/pull/5093 that implements significant changes to the way Cypress handles `4xx` errors. Will go through it one by one:

- We now check if the error is 4xx and is `not supported` error in utils wh
</think>

To implement this, you'll need to modify:


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