## Description
This pull request refactors the sourceData handling in the SelectWidget
component. It introduces a dynamic property path for the sourceData in
the SelectWidget configuration, allowing it to be passed as a JSON
string.
This change ensures that the source data matches the sample data passed
for the widget configuration, enabling the switching back of the JS
toggle button.
Additionally, it fixes cypress tests: opening of the prop pane in JS
mode.
Fixes#34568
_or_
Fixes `Issue URL`
> [!WARNING]
> _If no issue exists, please create an issue first, and check with the
maintainers if the issue is valid._
## Automation
/ok-to-test tags="@tag.Widget, @tag.Select, @tag.Binding"
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/9758347627>
> Commit: 01e5b4fba240667eaa0818330047489d94c01a46
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=9758347627&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Widget, @tag.Select, @tag.Binding`
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **Bug Fixes**
- Improved stability of test scenarios by ensuring JavaScript mode is
toggled appropriately.
- **Tests**
- Updated test cases to include JavaScript mode toggling for more
accurate test outcomes.
- Renamed and restructured test files to enhance clarity and
maintainability.
- **New Features**
- Enhanced `SelectWidget` to initialize `sourceData` with a stringified
array and made `sourceData` dynamically configurable.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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