Removes remoteVideoTypes and uses the set/get in the small video instances.

modules/UI/videolayout/VideoLayout.js

 const RTCUIUtil = JitsiMeetJS.util.RTCUIHelper;
 
 var remoteVideos = {};
-var remoteVideoTypes = {};
 var localVideoThumbnail = null;
 
 var currentDominantSpeaker = null;
     /**
      * Return the type of the remote video.
      * @param id the id for the remote video
-     * @returns the video type video or screen.
+     * @returns {String} the video type video or screen.
      */
     getRemoteVideoType (id) {
-        return remoteVideoTypes[id];
+        let smallVideo = VideoLayout.getSmallVideo(id);
+        return smallVideo ? smallVideo.getVideoType() : null;
     },
 
     handleVideoThumbClicked (noPinnedEndpointChangedEvent,
             remoteVideo = new RemoteVideo(id, VideoLayout, eventEmitter);
         remoteVideos[id] = remoteVideo;
 
-        let videoType = remoteVideoTypes[id];
-        if (videoType) {
-            remoteVideo.setVideoType(videoType);
+        let videoType = VideoLayout.getRemoteVideoType(id);
+        if (!videoType) {
+            // make video type the default one (camera)
+            videoType = VideoContainerType;
         }
+        remoteVideo.setVideoType(videoType);
 
         // In case this is not currently in the last n we don't show it.
         if (localLastNCount && localLastNCount > 0 &&
     },
 
     onVideoTypeChanged (id, newVideoType) {
-        if (remoteVideoTypes[id] === newVideoType) {
+        if (VideoLayout.getRemoteVideoType(id) === newVideoType) {
             return;
         }
 
         console.info("Peer video type changed: ", id, newVideoType);
-        remoteVideoTypes[id] = newVideoType;
 
         var smallVideo;
         if (APP.conference.isLocalId(id)) {
         } else {
             return;
         }
-
         smallVideo.setVideoType(newVideoType);
+
         if (this.isCurrentlyOnLarge(id)) {
             this.updateLargeVideo(id, true);
         }