EXT-7121 FIXED Added check is IM window visible to avoid blinking and changing IM well button background when IM window isn't visible.
EXT-7121 FIXED Added check is IM window visible to avoid blinking and changing IM well button background when IM window isn't visible.

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