Added extension method for GoToState

Author: szv

src/Codebreaker.Uno/CodebreakerUno/Helpers/VisualStateHelpers.cs

@@ -0,0 +1,7 @@
+namespace Microsoft.UI.Xaml;
+
+internal static class VisualStateHelpers
+{
+    public static bool GoToState(this Control control, string stateName, bool useAnimation = true) =>
+        VisualStateManager.GoToState(control, stateName, useAnimation);
+}

src/Codebreaker.Uno/CodebreakerUno/Views/Components/GameResultDisplay.xaml.cs

@@ -8,7 +8,7 @@ public sealed partial class GameResultDisplay : UserControl
     public GameResultDisplay()
     {
         InitializeComponent();
-        VisualStateManager.GoToState(this, "Default", false);
+        this.GoToState("Default", false);
     }
 
     public GamePageViewModel ViewModel
@@ -37,6 +37,6 @@ private void OnViewModelPropertyChanged(object? sender, PropertyChangedEventArgs
             GameMode.Lost => "Lost",
             _ => "Default"
         };
-        VisualStateManager.GoToState(this, stateName, true);
+        this.GoToState(stateName);
     }
 }

src/Codebreaker.Uno/CodebreakerUno/Views/Pages/GamePage.xaml.cs

@@ -18,7 +18,7 @@ public GamePage()
         WeakReferenceMessenger.Default.Register(this);
         WeakReferenceMessenger.Default.UnregisterAllOnUnloaded(this);
         ViewModel.PropertyChanged += ViewModel_PropertyChanged;
-        VisualStateManager.GoToState(this, "Start", false);
+        this.GoToState("Start", false);
     }
 
     public GamePageViewModel ViewModel { get; }
@@ -61,6 +61,6 @@ private void ViewModel_PropertyChanged(object? sender, System.ComponentModel.Pro
             GameMode.Won or GameMode.Lost => "Finished",
             _ => "Start",
         };
-        VisualStateManager.GoToState(this, stateName, true);
+        this.GoToState(stateName);
     }
 }