- Added CSS styles for skill group labels in the skill tree to improve visual hierarchy and readability.
- Updated `SkillTreePickerPanel` and `SkillTreeMultiSelect` components to utilize the new default expansion logic, ensuring main and category nodes are open by default while skill groups remain collapsed.
- Refactored state management in `SkillTreePickerPanel` to align with the new default expansion behavior.
- Enhanced utility functions to support the new default expansion logic for skill trees.
- Introduced new `SkillTreeSelect` and `SkillTreeMultiSelect` components for enhanced skill selection in various modals and forms.
- Updated API calls to use `listSkillsCatalog` instead of `listSkills` for improved data retrieval.
- Enhanced CSS styles for skill selection components to improve user experience and visual consistency across the application.
