fix: small fixes to tizen_player and tizen_video_player_controls

fixed it so pause and play in TizenPlayer does not return an empty future

cleaned up tizen_video_player_controls - removed commented out code.

Author: popdollar

lib/screens/video_player/tizen_video_player_controls.dart

@@ -189,7 +189,7 @@ class _TVControlsState extends ConsumerState<TVControls> {
         break;
       case 'seekBack':
         final backwardSpeed = 
-          ref.read(userProvider.select((value) => value?.userSettings?.skipBackDuration.inSeconds ?? 10));
+          ref.read(userProvider.select((value) => value?.userSettings?.skipBackDuration.inSeconds ?? 30));
         seekBack(ref, seconds: backwardSpeed);
         break;
       case 'playPause':
@@ -698,8 +698,8 @@ class _TVControlsState extends ConsumerState<TVControls> {
   }
 
   Widget seekBackwardButton(WidgetRef ref) {
-    final backwardSpeed = 10;
-        //ref.read(userProvider.select((value) => value?.userSettings?.skipBackDuration.inSeconds ?? 30));
+    final backwardSpeed = 
+      ref.read(userProvider.select((value) => value?.userSettings?.skipBackDuration.inSeconds ?? 30));
      return _wrapNav(
        'seekBack',
        IconButton(
@@ -901,36 +901,15 @@ class _TVControlsState extends ConsumerState<TVControls> {
         resetTimer();
         return true;
       }
-      // if (key == LogicalKeyboardKey.arrowUp) {
-      //   // Move up a few steps (best-effort grid movement)
-      //   _moveSelection(-3);
-      //   return true;
-      // }
-      // if (key == LogicalKeyboardKey.arrowDown) {
-      //   _moveSelection(3);
-      //   return true;
-      // }
-      // Activation keys
 
       if (key == LogicalKeyboardKey.select || key == LogicalKeyboardKey.enter || key == LogicalKeyboardKey.space) {
-        //activateSelection();
-        //_setActiveIndicator('Activate');
         resetTimer();
         return true;
       }
     }
 
-    // // Arrow keys -> seek indicator (when overlay not visible)
-    // if (key == LogicalKeyboardKey.arrowLeft || key == LogicalKeyboardKey.arrowRight) {
-    //   _setActiveIndicator('Seek');
-    //   // do not swallow here; other handlers (seek indicator) will process the key
-    //   return false;
-    // }
-
     // Up/Down -> volume (when overlay not visible)
     if (key == LogicalKeyboardKey.arrowUp || key == LogicalKeyboardKey.arrowDown || key == LogicalKeyboardKey.select || key == LogicalKeyboardKey.enter || key == LogicalKeyboardKey.space) {
-      // _setActiveIndicator('Volume');
-      // do not swallow here; allow normal processing
       toggleOverlay(value: true);
       return false;
     }

lib/wrappers/players/tizen_player.dart

@@ -82,9 +82,9 @@ class TizenPlayer extends BasePlayer {
   }
 
   @override
-  Future<void> pause() => _controller?.pause() ?? Future.value();
+  Future<void> pause() async => _controller?.pause();
   @override
-  Future<void> play() => _controller?.play() ?? Future.value();
+  Future<void> play() async => _controller?.play();
   @override
   Future<void> playOrPause() async => lastState.playing ? _controller?.pause() : _controller?.play();
   @override