Allow to pass custom menu interaction handler in MenuFlyoutPresenter

src/Avalonia.Controls/Flyouts/MenuFlyoutPresenter.cs

@@ -11,9 +11,14 @@ namespace Avalonia.Controls
         public MenuFlyoutPresenter()
             :base(new DefaultMenuInteractionHandler(true))
         {
+        }
 
+        public MenuFlyoutPresenter(IMenuInteractionHandler menuInteractionHandler)
+            : base(menuInteractionHandler)
+        {
         }
 
+
         public override void Close()
         {
             // DefaultMenuInteractionHandler calls this

src/Avalonia.Controls/MenuBase.cs

@@ -40,7 +40,7 @@ namespace Avalonia.Controls
         /// <summary>
         /// Initializes a new instance of the <see cref="MenuBase"/> class.
         /// </summary>
-        public MenuBase()
+        protected MenuBase()
         {
             InteractionHandler = new DefaultMenuInteractionHandler(false);
         }
@@ -49,7 +49,7 @@ namespace Avalonia.Controls
         /// Initializes a new instance of the <see cref="MenuBase"/> class.
         /// </summary>
         /// <param name="interactionHandler">The menu interaction handler.</param>
-        public MenuBase(IMenuInteractionHandler interactionHandler)
+        protected MenuBase(IMenuInteractionHandler interactionHandler)
         {
             InteractionHandler = interactionHandler ?? throw new ArgumentNullException(nameof(interactionHandler));
         }