Callipeg (Beta) 2D animation

Jan 29, 2025

- Added hold stylus to switch current tool between paint and eraser
- Added tooltips on button hover for action panels (timeline action popups)
- Fixed a bug where after duplicating sheets, previously duplicated sheets would end up selected
- Fixed layer transformation parameters displaying the wrong value when editing with the num pad
- Fixed action panels "hold and slide" actions like "set timing" triggering when tapping instead of just showing num pad