<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added the ability to select line width for pen tools, allowing users to customize brush and highlighter thickness in the toolbar menu.
- **Bug Fixes**
- Restored and verified the functionality for adding brush elements with different sizes, ensuring accurate rendering of brush strokes based on selected size.
- **Improvements**
- Enhanced slider component interaction by refining pointer event handling and updated slider styles for better touch interaction support.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new slider component for line width selection, providing a more interactive and streamlined UI.
- Added support for using the slider component across relevant panels.
- **Improvements**
- Simplified the line width selection panel for easier use and improved maintainability.
- Enhanced event handling to prevent dropdowns from closing when interacting with the panel.
- **Bug Fixes**
- Improved event propagation control within the line styles panel.
- **Chores**
- Updated package exports to include the new slider component.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
L-Sun