Added a helper method for switching visual states in wpf application

Author: szv

src/Codebreaker.WPF/Helpers/VisualStateHelpers.cs

@@ -0,0 +1,7 @@
+namespace Codebreaker.WPF.Helpers;
+
+internal static class VisualStateHelpers
+{
+    public static bool GoToState(this FrameworkElement element, string visualStateName, bool useTransitions = true) =>
+        VisualStateManager.GoToElementState(element, visualStateName, useTransitions);
+}