update the wallpaper part

- other default wallpapers are not removed anymore, such as Glow, Flow, Captured Motion, etc.
- added img0_1920x1200 and img19_1920x1200 in the 4K folders (Win 11)
- added img14.jpg for the Spotlight folder

src/Executables/WALLPAPER.cmd

@@ -1,7 +1,7 @@
 @echo off
 SETLOCAL ENABLEDELAYEDEXPANSION
 
-robocopy "Web" "%windir%\Web" /E /PURGE /IM /IT /NP
+robocopy "Web" "%windir%\Web" /E /IM /IT /NP
 
 @REM :: Set wallpaper path for new users, as well as dark/light theme
 @REM type "!windir!\Resources\Themes\aero.theme" | findstr /c:"AppMode=" > nul