Changes based on PR feedback

src/GraphicsControls/Handlers/DrawMapper.cs

@@ -51,7 +51,8 @@ namespace Microsoft.Maui.Graphics.Controls
 
 		public Action<ICanvas, RectangleF, TViewDrawable, TVirtualView> this[string key]
 		{
-			set => genericMap[key] = (c, r, h, v) => value?.Invoke(c, r, (TViewDrawable)h, (TVirtualView)v);
+			set => genericMap[key] = (canvas, rect, drawable, virtualView) =>
+			value?.Invoke(canvas, rect, (TViewDrawable)drawable, (TVirtualView)virtualView);
 		}
 
 		public override Action<ICanvas, RectangleF, IViewDrawable, IView>? Get(string key)

src/GraphicsControls/Platform/RectangleExtensions.cs

@@ -1,9 +1,8 @@
-using System;
-using System.Linq;
+using System.Linq;
 
 namespace Microsoft.Maui.Graphics.Controls
 {
-	public static class RectExtensions
+    public static class RectangleExtensions
 	{
 		public static PointF Center(this RectangleF rectangle) =>
 			new PointF(rectangle.X + (rectangle.Width / 2), rectangle.Y + (rectangle.Height / 2));