Fixes: https://tracker.ceph.com/issues/66286

Fixes: https://tracker.ceph.com/issues/66286
Improve display of ref_count in the rados commandline utility

New test cases were added to detect behavior after server side copy in the following cases:
1) delete original only
2) delete destination only
3) delete original then delete destination (this will lead to orphaned tail-objects without the changes made in this PR)
d) delete destination then delete original (this will lead to orphaned tail-objects without the changes made in this PR)

Add call to GC between tests to help control the used disk space since we keep writing huge files of 5GB each
Signed-off-by: Gabriel BenHanokh <gbenhano@redhat.com>