fix for SH-1185: uploading large mesh file sometimes fails and locks up viewer.
fix for SH-1185: uploading large mesh file sometimes fails and locks up viewer.

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