There was a bug that could occur if you pinched while using the hand
tool, where on pinch end the hand tool would slide the camera based on
the pinching velocity. The fix is to cancel out any velocity while
pinching.
### Change Type
- [x] `sdk` — Changes the tldraw SDK
- [x] `bugfix` — Bug fix
### Test Plan
On mobile...
1. Select the hand tool.
2. Begin a pinch
3. Stop the pinch
4. The camera should stay where it is
### Release Notes
- Fixed a bug that could occur while pinching with the hand tool
selected.
8c6a9ff47e