## Description
- Add encoding for Api key secret value before storing it as query param
to avoid incorrect parsing.
- Remove hardcoded "api_key" check to mask headers.
- Used standard URL parsing APIs instead of custom
- Added unit test to cover the case
Fixes https://github.com/appsmithorg/appsmith/issues/33742
flaws in the implementation
[here](https://github.com/appsmithorg/appsmith/pull/33528)
## Automation
/test datasource
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!IMPORTANT]
> 🟣🟣🟣 Your tests are running.
> Tests running at:
<https://github.com/appsmithorg/appsmith/actions/runs/9256269257>
> Commit: 602b0f599ff17ac7530b25336eae6a0523c90977
> Workflow: `PR Automation test suite`
> Tags: `@tag.Datasource`
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No
43bd03214f