Blender Git Loki

Fix T63570: Proportional editing resets scaling along Y and Z axis on mouse wheel

`applyResize(...)` considers that `t->values` always represents a `ratio`.
But this is only `true` with the `MOUSEMOVE` event.
The solution proposed is to never change `t->values`.
The result of the final transformation is now written to `t->values_final`.

Reviewers: campbellbarton

Differential Revision: https://developer.blender.org/D5212