Blender Git Loki

Fix T81929: Sculpt: Mask operators missing drawing update on meshes with
shapekeys/modifiers

This was failing for all mask filters (sharpen, grow, invert, clear,
shrink, contrast, smooth) and mask gestures (box, lasso).
Also have to recalc shading, use SCULPT_tag_update_overlays for this.

ref D8956

Maniphest Tasks: T81929

Differential Revision: https://developer.blender.org/D9302