Fixes#15007
/ok-to-test tags="@tag.Theme"
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/10733545727>
> Commit: dec21477152095d034f63a7e08d2719cb0687b12
> <a
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target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Theme`
> Spec:
> <hr>Fri, 06 Sep 2024 06:48:00 UTC
<!-- end of auto-generated comment: Cypress test results -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Enhanced theme validation for the multi-select widget, improving the
robustness of theme-related tests.
- Added new locators for featured themes to enhance testing
capabilities.
- **Bug Fixes**
- Reactivated a previously skipped test case to validate font
consistency across the application.
- **Refactor**
- Optimized color change handling in the ColorPicker component for
better performance and reliability.
- Refactored theme color control logic for improved maintainability and
clarity.
- **Improvements**
- Enhanced type safety in theme properties to prevent misconfigurations.
- Improved testability of the ThemeCard and ThemeSelector components
with new attributes for automated testing.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: Pawan Kumar <pawankumar@Pawans-MacBook-Pro-2.local>