Renames isBot -> isFakeParticipant.

modules/UI/shared_video/SharedVideo.js

                 // JitsiMeetLogStorage.
                 conference: APP.conference._room,
                 id: self.url,
-                isBot: true,
+                isFakeParticipant: true,
                 name: 'YouTube'
             }));
 

modules/UI/videolayout/VideoLayout.js

     addRemoteParticipantContainer(participant) {
         if (!participant || participant.local) {
             return;
-        } else if (participant.isBot) {
+        } else if (participant.isFakeParticipant) {
             const sharedVideoThumb = new SharedVideoThumb(
                 participant,
                 SHARED_VIDEO_CONTAINER_TYPE,

react/features/base/conference/middleware.js

     let pin;
 
     if (participantById) {
-        pin = !participantById.local && !participantById.isBot;
+        pin = !participantById.local && !participantById.isFakeParticipant;
     } else {
         const localParticipant = getLocalParticipant(participants);
 

react/features/base/participants/functions.js

  * @returns {Participant[]}
  */
 export function getParticipants(stateful: Object | Function) {
-    return _getAllParticipants(stateful).filter(p => !p.isBot);
+    return _getAllParticipants(stateful).filter(p => !p.isFakeParticipant);
 }
 
 /**

react/features/base/participants/reducer.js

         connectionStatus,
         dominantSpeaker,
         email,
-        isBot,
+        isFakeParticipant,
         local,
         name,
         pinned,
         dominantSpeaker: dominantSpeaker || false,
         email,
         id,
-        isBot,
+        isFakeParticipant,
         local: local || false,
         name,
         pinned: pinned || false,