Merge [#51094417] SnglZnVAVNoReheat into develop

This merges '51094417_SnglZnVAVNoReheat' branch into develop.

The object only has dummy icons in place for the images. The hvac_library.osm file is at 1.0.2 and will need to be updated to 1.0.3

The branch is ready for code review, testing, and validation by NREL. @kbenne