fix(JitsiConference) Avoids throwing an error when P2P is killed mid setup

Author: jallamsetty1

JitsiConference.ts

@@ -1224,7 +1224,7 @@ export default class JitsiConference extends Listenable {
 
         this.p2pJingleSession.invite(localTracks)
             .then(() => {
-                this.p2pJingleSession.addEventListener(MediaSessionEvents.VIDEO_CODEC_CHANGED, () => {
+                this.p2pJingleSession?.addEventListener(MediaSessionEvents.VIDEO_CODEC_CHANGED, () => {
                     this.eventEmitter.emit(JitsiConferenceEvents.VIDEO_CODEC_CHANGED);
                 });
             })

modules/xmpp/RoomMetadata.ts

@@ -95,7 +95,7 @@ export default class RoomMetadata {
         }
 
         this._metadata = metadata;
-        logger.debug('Received metadata update', metadata);
+        logger.debug('Received metadata update', JSON.stringify(metadata));
         this.room.eventEmitter.emit(XMPPEvents.ROOM_METADATA_UPDATED, metadata);
     }