[BOLT] Fix ShrinkWrapping bugs and enable testing

Summary:
Fix a few ShrinkWrapping bugs:

 - Using push-pop mode in a function that required aligned stack
 - Correctly update the edges in jump tables after splitting critical
   edges
 - Fix stack pointer restores based on RBP + offset, when we change the
   stack layout in push-pop mode.

(cherry picked from FBD6755232)