chore: Missing invalidation

src/Uno.UI/UI/Xaml/MobileLayoutingHelpers.cs

@@ -56,6 +56,8 @@ public static Size MeasureElement(View view, Size availableSize)
 			var desiredSizeFromLayouterElement = layouterElement.Measure(availableSize);
 			LayoutInformation.SetDesiredSize(view, desiredSizeFromLayouterElement);
 			LayoutInformation.SetAvailableSize(view, availableSize);
+
+			view.InvalidateArrangeOnNativeOnly();
 			return desiredSizeFromLayouterElement;
 		}
 
@@ -171,6 +173,7 @@ public static void ArrangeElement(View view, Rect finalRect)
 			// We workaround this by passing the previous LayoutSlot which is the correct rect that was set during native measure.
 			var workaroundThatManagedArrangeHappensDuringNativeMeasure = view is NativeListViewBase;
 
+			view.RequestLayout();
 			view.Layout((int)physicalRect.Left, (int)physicalRect.Top, (int)physicalRect.Right, (int)physicalRect.Bottom);
 			if (view is ViewGroup viewGroup)
 			{