fix for SH-1412: Mesh upload dialog freezes viewer when uploading certain meshes.
fix for SH-1412: Mesh upload dialog freezes viewer when uploading certain meshes.

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