Blender Git Loki

Fix T86762: Inconsistent show of result of modifier Screw in edit mode

To check if an "is_mesh_verts_only" mesh, the overlay engine checks if the
mesh has no "totedge" and has "totvert".

However, sometimes this engine can check the wrong mesh since editmesh
works on `embm->mesh_eval_final`.

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D10917