feat: Basic support for AppWindowPresenters in WASM

src/Uno.UI/UI/Xaml/Window/Native/NativeWindowWrapper.Interop.wasm.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.InteropServices.JavaScript;
 using System.Text;
 using System.Threading.Tasks;
 

src/Uno.UI/UI/Xaml/Window/Native/NativeWindowWrapper.wasm.cs

@@ -1,6 +1,8 @@
 using System;
+using Uno.Disposables;
 using Windows.Foundation;
 using Windows.UI.Core;
+using static __Uno.UI.Xaml.Controls.NativeWindowWrapper;
 
 namespace Uno.UI.Xaml.Controls;
 
@@ -36,15 +38,17 @@ internal void RaiseNativeSizeChanged(double width, double height)
 
 	protected override void ShowCore() => WindowManagerInterop.WindowActivate();
 
-	public bool TryEnterFullScreenMode() => SetFullScreenMode(true);
-
-	public void ExitFullScreenMode() => SetFullScreenMode(false);
-
 	private bool SetFullScreenMode(bool turnOn) => NativeMethods.SetFullScreenMode(turnOn);
 
 	public override string Title
 	{
 		get => NativeMethods.GetWindowTitle();
 		set => NativeMethods.SetWindowTitle(value);
 	}
+
+	protected override IDisposable ApplyFullScreenPresenter()
+	{
+		SetFullScreenMode(true);
+		return Disposable.Create(() => SetFullScreenMode(false));
+	}
 }