58eff16cad
In essential brush assets, the "Crease" brush was replaced with two
crease brushes ("Crease Polish" and "Crease Sharp"), but the keymap
wasnt respecting that.
So to resolve now point Shift+C to "Crease Polish" (seems closer to what
the former "Crease" brush was.
Pull Request: https://projects.blender.org/blender/blender/pulls/128765