Merge pull request #6216 from RosettaCommons/roccomoretti/interactive_cmd_lib_viewport_updates
[Foldit] Several changes to the Compound Library loading panel.
* Use orthographic projection
* Fix scroll to start at top of list
* Label compounds with numbers
* Extra space to better show which compound is highlighted.
* Disable compound insertion if action or recipe is running
* Don't hide loading panel on successful substitution.