Audio mute unmute fixes (#234)

* progress

* refresh

* Create Podfile.lock

* Update Podfile.lock

* pub

* update deps.

* fix tests

* dart format .

* fix duplicate imports

---------

Co-authored-by: cloudwebrtc <duanweiwei1982@gmail.com>

lib/src/options.dart

@@ -147,6 +147,7 @@ class AudioPublishOptions {
 
   /// Turn off the audio track when muted, to avoid the microphone
   /// indicator light on.
+  @Deprecated('Mic indicator will always turn off now when muted.')
   final bool stopMicTrackOnMute;
 
   const AudioPublishOptions({

lib/src/participant/local.dart

@@ -25,7 +25,6 @@ import 'participant.dart';
 /// Represents the current participant in the room. Instance of [LocalParticipant] is automatically
 /// created after successfully connecting to a [Room] and will be accessible from [Room.localParticipant].
 class LocalParticipant extends Participant<LocalTrackPublication> {
-  bool stopMicTrackOnMute = false;
   @internal
   LocalParticipant({
     required Room room,
@@ -54,8 +53,6 @@ class LocalParticipant extends Participant<LocalTrackPublication> {
     publishOptions =
         publishOptions ?? room.roomOptions.defaultAudioPublishOptions;
 
-    stopMicTrackOnMute = publishOptions.stopMicTrackOnMute;
-
     final trackInfo = await room.engine.addTrack(
       cid: track.getCid(),
       name: track.name,
@@ -313,24 +310,13 @@ class LocalParticipant extends Participant<LocalTrackPublication> {
     logger.fine('setSourceEnabled(source: $source, enabled: $enabled)');
     final publication = getTrackPublicationBySource(source);
     if (publication != null) {
-      var track = publication.track;
-      var stopOnMute = stopMicTrackOnMute && track is LocalAudioTrack;
       if (enabled) {
         await publication.unmute();
-        if (stopOnMute) {
-          await track.restartTrack();
-          await track.onTrackStarted();
-        }
       } else {
         if (source == TrackSource.screenShareVideo) {
           await unpublishTrack(publication.sid);
         } else {
           await publication.mute();
-          if (stopOnMute) {
-            await track.sender?.setTrack(null);
-            await track.stop();
-            await track.onTrackStopped();
-          }
         }
       }
       return publication;

lib/src/track/audio_management.dart

@@ -52,20 +52,6 @@ mixin LocalAudioManagementMixin on LocalTrack, AudioTrack {
     }
     return didUpdate;
   }
-
-  Future<void> onTrackStopped() async {
-    await _trackCounterLock.synchronized(() async {
-      _localTrackCount--;
-      await _onAudioTrackCountDidChange();
-    });
-  }
-
-  Future<void> onTrackStarted() async {
-    await _trackCounterLock.synchronized(() async {
-      _localTrackCount++;
-      await _onAudioTrackCountDidChange();
-    });
-  }
 }
 mixin RemoteAudioManagementMixin on RemoteTrack, AudioTrack {
   /// Start playing audio track. On web platform, create an audio element and