Dreaw background color visual on top of the item visuals. (#341)

Author: niklasb-ms

Samples/Islands/DrawingIsland/DrawingIslandComponents/DrawingIsland.cpp

@@ -766,14 +766,14 @@ namespace winrt::DrawingIslandComponents::implementation
             m_output.HalfTransparentColorBrushes[i] = m_output.Compositor.CreateColorBrush(halfTransparent);
         }
 
-        m_items.CurrentColorVisual = m_output.Compositor.CreateSpriteVisual();
-        m_items.CurrentColorVisual.Offset({0.0f, 0.0f, 0.0f});
-        m_background.Visual.Children().InsertAtTop(m_items.CurrentColorVisual);
-
         winrt::ContainerVisual drawingVisualsRoot = m_output.Compositor.CreateContainerVisual();
         m_items.Visuals = drawingVisualsRoot.Children();
         m_background.Visual.Children().InsertAtTop(drawingVisualsRoot);
 
+        m_items.CurrentColorVisual = m_output.Compositor.CreateSpriteVisual();
+        m_items.CurrentColorVisual.Offset({0.0f, 0.0f, 0.0f});
+        m_background.Visual.Children().InsertAtTop(m_items.CurrentColorVisual);
+
         SystemBackdrop_EvaluateUsage();
 
         Output_UpdateCurrentColorVisual();