Blender Git Loki

Fix T79914: Grab active vertex using wrong coordinates

This was introduced in the first commit of the cloth brush. In order to
support the cloth brush deformations with subsurf modifiers, the sculpt
API was changed to return the deformed coordinates from the PBVH instead
of the mesh coordinates. When using grab active vertex and rendering the
original mesh wireframe it should render the undeformed mesh coordinates
when available.

Reviewed By: sergey

Maniphest Tasks: T79914

Differential Revision: https://developer.blender.org/D8630