liquify: crash when drawing a shape
Since the fix for #12426, I get a crash whenever a draw a shape. Seemed reproducible, but I can't reproduce anymore after
rm -fr ~/.config/darktable.
Before that, I got the crash simply by:
- Open liquify
- activate the point tool
- click on the image
Backtraces attached (probably equivalent to each other, but I've got 3, so I'm attaching them all).
If you can understand what's going on, perfect. If not, since I can't reproduce anymore, I'm fine with closing the bug.