EXT-2583 : Some sidepanel inventory folders appear blank
EXT-2583 : Some sidepanel inventory folders appear blank

Starting sidepanel inventory folders as open by default.
Also did some minor syntactic cleanup on the folder filter iterators.

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm