- Added brush color variant and variant amount settings to the brush panel.
- Introduced a checkbox for color variant and a slider for variant amount in the brush settings.
- Implemented "Paste as New Layer" functionality, allowing users to paste clipboard images directly onto a new layer.
- Updated menus to include the new paste option with a shortcut.
- Improved layer panel iconography by replacing text buttons with SVG icons for visibility and lock toggles.
- Created new SVG assets for closed eye and watercolor icons.
- Enhanced history panel to provide richer descriptions for brush strokes and vector shape modifications.
- Fixed the issue where the first brush stroke was missing from the history panel.
