Make TopLevel not can be in MirrorTransform state

src/Avalonia.Controls/TopLevel.cs

@@ -606,6 +606,13 @@ namespace Avalonia.Controls
                 KeyboardDevice.Instance?.SetFocusedElement(null, NavigationMethod.Unspecified, KeyModifiers.None);
         }
 
+        protected override bool BypassFlowDirectionPolicies => true;
+
+        public override void InvalidateMirrorTransform()
+        {
+            // Do nothing becuase TopLevel should't apply MirrorTransform on himself.
+        }
+
         ITextInputMethodImpl? ITextInputMethodRoot.InputMethod =>
             (PlatformImpl as ITopLevelImplWithTextInputMethod)?.TextInputMethod;
     }