fix: make event call syncronous

src/Uno.UI/Controls/Window.iOS.cs

@@ -58,7 +58,6 @@ public static class TraceProvider
 
 		internal event Action FrameChanged;
 
-		private WeakReference<CoreWindow> _owner;
 		private ICoreWindowEvents _ownerEvents;
 
 		/// <summary>
@@ -108,7 +107,7 @@ public override void PressesBegan(NSSet<UIPress> presses, UIPressesEvent evt)
 				{
 					if (_ownerEvents is { })
 					{
-						RaiseKeyEvent(_ownerEvents.RaiseKeyDown, args);
+						_ownerEvents.RaiseKeyDown(args);
 						handled |= true;
 					}
 				}
@@ -157,15 +156,9 @@ public override void PressesBegan(NSSet<UIPress> presses, UIPressesEvent evt)
 
 		internal void SetOwner(CoreWindow owner)
 		{
-			_owner = new WeakReference<CoreWindow>(owner);
 			_ownerEvents = (ICoreWindowEvents)owner;
 		}
 
-		internal CoreWindow GetOwner() =>
-			_owner != null && _owner.TryGetTarget(out var target) && target is { }
-			? target
-			: null;
-
 		/// <summary>
 		/// The behavior to use to bring the focused item into view when opening the keyboard.
 		/// Null means that auto bring into view on keayboard opening is disabled.
@@ -177,13 +170,6 @@ internal CoreWindow GetOwner() =>
 		/// </summary>
 		public int FocusedViewBringIntoViewOnKeyboardOpensPadding { get; set; }
 
-		private void RaiseKeyEvent(Action<KeyEventArgs> raisePointerEvent, KeyEventArgs args)
-		{
-			_ = GetOwner()?.Dispatcher.RunAsync(
-				CoreDispatcherPriority.High,
-				() => raisePointerEvent(args));
-		}
-
 		private void OnApplicationEnteredBackground(object sender, NSNotificationEventArgs e)
 		{
 			_focusedView?.EndEditing(true);