Blender Git Loki

Fix T81932: Dyntopo crashing with sculpt vertex colors brush tools

Paint and smear tools are only implemented for regular mesh PBVH,
meaning they are not supported by the dynamic topology and multires
sculpting.

These tools are to be ignored for an unsupported sculpt modes, regardless
of state of user preferences.

Reviewed By: sergey

Maniphest Tasks: T81932

Differential Revision: https://developer.blender.org/D9308