Small improvements

ios/App/Shared/player/AudioPlayer.swift

@@ -70,6 +70,7 @@ class AudioPlayer: NSObject {
     public func destroy() {
         // Pause is not synchronous causing this error on below lines:
         // AVAudioSession_iOS.mm:1206  Deactivating an audio session that has running I/O. All I/O should be stopped or paused prior to deactivating the audio session
+        // It is related to L79 `AVAudioSession.sharedInstance().setActive(false)`
         pause()
         audioPlayer.replaceCurrentItem(with: nil)
         
@@ -80,11 +81,9 @@ class AudioPlayer: NSObject {
             print(error)
         }
         
-        // Throws error Possibly related to the error above
-//        DispatchQueue.main.sync {
-//            UIApplication.shared.endReceivingRemoteControlEvents()
-//        }
-        
+        DispatchQueue.runOnMainQueue {
+            UIApplication.shared.endReceivingRemoteControlEvents()
+        }
         NotificationCenter.default.post(name: NSNotification.Name(PlayerEvents.closed.rawValue), object: nil)
     }
     
@@ -186,9 +185,9 @@ class AudioPlayer: NSObject {
     
     // MARK: - Now playing
     private func setupRemoteTransportControls() {
-        // DispatchQueue.main.sync {
+        DispatchQueue.runOnMainQueue {
             UIApplication.shared.beginReceivingRemoteControlEvents()
-        // }
+        }
         let commandCenter = MPRemoteCommandCenter.shared()
         
         commandCenter.playCommand.isEnabled = true
@@ -246,7 +245,7 @@ class AudioPlayer: NSObject {
     }
     private func updateNowPlaying() {
         NotificationCenter.default.post(name: NSNotification.Name(PlayerEvents.update.rawValue), object: nil)
-        NowPlayingInfo.update(duration: getDuration(), currentTime: getCurrentTime(), rate: rate)
+        NowPlayingInfo.shared.update(duration: getDuration(), currentTime: getCurrentTime(), rate: rate)
     }
     
     // MARK: - Observer