PSDK-1020: Исправлены установки звука

nut_player/lib/src/controller/video_player_controller.dart

@@ -225,6 +225,7 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
     if (value.position == value.duration) {
       await seek(Duration.zero);
     }
+
     value = value.copyWith(isPlaying: true);
     await _applyPlayPause();
   }
@@ -328,10 +329,14 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
 
   Future<void> _applyVolume() async {
     final playerId = _playerId;
-    if (_isDisposedOrNotInitialized || playerId == null) {
+    final volume = value.volume;
+    if (_isDisposedOrNotInitialized ||
+        playerId == null ||
+        volume == null) {
       return;
     }
-    await nutPlayerPlatform.setVolume(playerId, value.volume);
+
+    await nutPlayerPlatform.setVolume(playerId, volume);
   }
 
   void _updatePosition(Duration position) {

nut_player/lib/src/legacy/video_player_value.dart

@@ -20,7 +20,7 @@ class VideoPlayerValue {
     this.isPlaying = false,
     this.isLooping = false,
     this.isBuffering = false,
-    this.volume = 1.0,
+    this.volume,
     this.playbackSpeed = 1.0,
     this.rotationCorrection = 0,
     this.errorDescription,
@@ -74,7 +74,7 @@ class VideoPlayerValue {
   final bool isBuffering;
 
   /// The current volume of the playback.
-  final double volume;
+  final double? volume;
 
   /// The current speed of the playback.
   final double playbackSpeed;