Update Microsoft.Toolkit.Uwp.UI.Controls/InAppNotification/InAppNotification.cs using order

Author: michael-hawker

Microsoft.Toolkit.Uwp.UI.Controls/InAppNotification/InAppNotification.cs

@@ -2,11 +2,11 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using Microsoft.Toolkit.Uwp.Extensions;
-using Microsoft.Toolkit.Uwp.UI.Extensions;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Microsoft.Toolkit.Uwp.Extensions;
+using Microsoft.Toolkit.Uwp.UI.Extensions;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Automation;
 using Windows.UI.Xaml.Controls;