Issue:
[FEATURE] replace manual implementation using `from_str` function of strum 

### Feature Description

In the `convert_connector` function the manual implementation of converting the connector from string can be replaced using the `from_str` function provided by `strum`

### Possible Implementation

Use `from_str` function of strum

### Have you spent some time to check if this feature request has been raised before?

- [X] I checked and didn't find 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?

No, but I'm happy to collaborate on a PR with someone else

Resolution:
<think>
PR Context:
- Title: refactor: use `strum::EnumString` implementation for connector name conversions
- Merged: 2023-05-19T13:10:14Z
- Files changed: 5 files
- Commits: 30 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [x] Enhancement
- [x] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
- fixes #1042 
- added test cases for type conversions

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** refactor: use `strum::EnumString` implementation for connector name conversions (#1052)
Co-authored-
Files to modify:


**crates/api_models/src/enums.rs**
  Modify existing code

**crates/router/src/types/api.rs**
  Modify existing code

**crates/router/src/types/storage/payment_attempt.rs**
  Modify existing code

**crates/router/tests/connectors/noon.rs**
  Modify existing code

**crates/router/tests/connectors/payeezy.rs**
  Modify existing code