Fix #35262: assiging shortcuts from e.g. delete or selection mode menus did not
work anymore. This was due to a bugfix to show missing shortcut keys for e.g. the
mesh > vertices > separate menu. Both should work now.

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@56676 954f8c5b-7b00-dc11-b283-0030488c597c