Blender Git Loki

Keymap: move weight & vertex paint handling before pose mode

This is needed so pose keymap doesn't override weight paint,
which currently prevents the weight paint context menu from showing.

Logically pose mode is secondary when used in combination with
weight paint, so evaluate it afterwards.

Also move vertex paint keymap since they have a lot in common,
it's simpler to keep them evaluated at the same place.

Resolves T73384