Fullscreen mode fixes

Related Work Items: #240

FoxTube/Controls/VideoPlayer.xaml.cs

@@ -333,7 +333,7 @@ namespace FoxTube
 
         public void UpdateSize()
         {
-            if(layout == PlayerLayout.Minimized)
+            if(layout != PlayerLayout.Normal)
                 Height = Window.Current.Bounds.Height;
         }
 
@@ -455,8 +455,6 @@ namespace FoxTube
                 if (streamInfo.Muxed.ToList().Exists(x => x.VideoQualityLabel == (quality.SelectedItem as ComboBoxItem).Content.ToString()))
                 {
                     videoPlayer.Source = MediaSource.CreateFromUri(streamInfo.Muxed.Find(x => x.VideoQualityLabel == (quality.SelectedItem as ComboBoxItem).Content as string).Url.ToUri());
-
-                    audioPlayer?.Dispose();
                     audioPlayer = null;
                 }
                 else
@@ -509,15 +507,14 @@ namespace FoxTube
             {
                 ApplicationView.GetForCurrentView().TryEnterFullScreenMode();
                 fullscreen.Content = "\xE1D8";
-                Height = Methods.MainPage.Height;
                 layout = PlayerLayout.Fullscreen;
             }
             else
             {
                 ApplicationView.GetForCurrentView().ExitFullScreenMode();
                 fullscreen.Content = "\xE1D9";
-                Height = double.NaN;
                 layout = PlayerLayout.Normal;
+                Height = double.NaN;
             }
         }