ISSUE #681 - Set initialized flag in viewer to halt Unity calls when not ready.
ISSUE #681 - Set initialized flag in viewer to halt Unity calls when not ready.

3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io