fix Geometry.Parse create PathGeometry

src/Avalonia.Visuals/Media/Geometry.cs

@@ -74,7 +74,7 @@ namespace Avalonia.Media
         /// </summary>
         /// <param name="s">The string.</param>
         /// <returns>A <see cref="StreamGeometry"/>.</returns>
-        public static Geometry Parse(string s) => StreamGeometry.Parse(s);
+        public static Geometry Parse(string s) => PathGeometry.Parse(s);
 
         /// <summary>
         /// Clones the geometry.