Blender Git Commit Log

Snapping System: Improve drawing indicating `Perpendicular` snap

Since pependicular snap depends on `snapTarget` it is important to indicate where this target is so as not to confuse users.
So draw a pivot where the target is and a dotted line toward the perpendicular snap point.

Reviewers: campbellbarton, brecht, billreynish

Differential Revision: https://developer.blender.org/D5557