[WinUI3]Fix Windows 10 title bar borders (#36429)

* Fix borders for windows in the Settings UI

* Fix HOSTS window

* Fix Advanced Paste

* Fix Environment Variables

* Fix File Locksmith

* Fix Peek, with a caveat

* Fix Registry Preview

* Remove unused imports

* Clean up imports in OobeShellPage

* Move OSVersionHelper from Common.UI up into ManagedCommon

src/modules/imageresizer/ui/Views/MainWindow.xaml.cs

@@ -7,9 +7,8 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-
-using Common.UI;
 using ImageResizer.ViewModels;
+using ManagedCommon;
 using Microsoft.Win32;
 using Wpf.Ui.Controls;