app_server tests: stacking of inverse clipping

A few visual tests of clipping composition with different combinations of
layers with and without the inverse bit.

Change-Id: Icddb377508733463378f93b24075fd06e54ef2cb
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4454
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: waddlesplash <waddlesplash@gmail.com>