- Introduced PickerHelp component for contextual help in pickers.
- Created PickerBrowserFixture for testing picker components in a browser-like environment.
- Implemented a comprehensive regression test suite for picker UI using Playwright.
- Added support for localization in picker components and tests.
- Introduced `CatalogFieldPickerDialog` and `CatalogFieldPickerList` for selecting catalog fields.
- Implemented `appendTemplateFields` helper function for managing template fields.
- Added tests for catalog field selection and template field management.
- Created reusable components for field picking and reordering in the UI library.
- Enhanced drag-and-drop functionality for reordering items in lists.
