Remove SpriteVisual from tree before disposing of resources

Remove SpriteVisual before disposing of resources

Author: chris-blackman

components/Extensions/src/Shadows/AttachedShadowBase.cs

@@ -161,8 +161,8 @@ protected internal virtual void OnElementContextInitialized(AttachedShadowElemen
     /// <param name="context">The <see cref="AttachedShadowElementContext"/> that is being uninitialized.</param>
     protected internal virtual void OnElementContextUninitialized(AttachedShadowElementContext context)
     {
-        context.ClearAndDisposeResources();
         ElementCompositionPreview.SetElementChildVisual(context.Element, null!);
+        context.ClearAndDisposeResources();
     }
 
     /// <inheritdoc/>

components/Extensions/src/Shadows/AttachedShadowElementContext.cs

@@ -135,6 +135,12 @@ private void Uninitialize()
 
         IsInitialized = false;
 
+        if (Element != null)
+        {
+            ElementCompositionPreview.SetElementChildVisual(Element, null!);
+            Element.SizeChanged -= OnElementSizeChanged;
+        }
+
         Parent.OnElementContextUninitialized(this);
 
         if (SpriteVisual != null)
@@ -148,12 +154,6 @@ private void Uninitialize()
             Shadow.Dispose();
         }
 
-        if (Element != null)
-        {
-            ElementCompositionPreview.SetElementChildVisual(Element, null!);
-            Element.SizeChanged -= OnElementSizeChanged;
-        }
-
         SpriteVisual = null;
         Shadow = null;
         ElementVisual = null;