Fixes a failure to show the dominant speaker indicator for the local participant.

modules/UI/videolayout/VideoLayout.js

             if(oldSpeakerRemoteVideo)
             {
                 oldSpeakerRemoteVideo.updateDominantSpeakerIndicator(false);
-                localVideoThumbnail.updateDominantSpeakerIndicator(true);
                 currentDominantSpeaker = null;
             }
+            localVideoThumbnail.updateDominantSpeakerIndicator(true);
             return;
         }