Blender Git Loki

Fix T81915: Draw Face Sets not working with deformed sculpt mesh

The draw face sets brush uses the poly center when used in meshes to increase
its precision when working in low poly geometry. For this to work with deformed
meshes, the deformed coordinates from the PBVH should be used instead.

Reviewed By: sergey

Maniphest Tasks: T81915

Differential Revision: https://developer.blender.org/D9424