example app: allow scroll in connect page

lib/src/participant/local_participant.dart

@@ -76,7 +76,7 @@ class LocalParticipant extends Participant {
 
     final pub = LocalTrackPublication(trackInfo, track, this);
     addTrackPublication(pub);
-        
+
     [events, roomEvents].emit(TrackPublishedEvent(
       participant: this,
       publication: pub,

lib/src/track/local_video_track.dart

@@ -41,7 +41,7 @@ class LocalVideoTrack extends VideoTrack {
     // stop the current track & stream
     await mediaStreamTrack.stop();
     await mediaStream.dispose();
-    
+
     // create new track with options
     final newStream = await _createStream(currentOptions);
     final newTrack = newStream.getVideoTracks().first;