Description
Consistently reproducible crash

To Reproduce

1. Open the app
2. Select "Eraser" tool
3. Randomly erase around with the left mouse button
4. Select "Recolor" tool (not sure what it does)
5. Press the right mouse button and move around randomly
6. Try to change brush width
7. Crash

Version
Version 3.0 on Fedora 41, Gnome, Wayland. Reproducible with flatpak and with self compiled version.