fixing the built-in apps path

there is no space between "Windows" and "Apps", in the C:\Program Files\WindowsApps path

Author: matiasma

articles/virtual-desktop/publish-apps.md

@@ -33,7 +33,7 @@ To publish a built-in app:
    ```
 
 >[!NOTE]
-> Windows Virtual Desktop only supports publishing apps with install locations that begin with `C:\Program Files\Windows Apps`.
+> Windows Virtual Desktop only supports publishing apps with install locations that begin with `C:\Program Files\WindowsApps`.
 
 ## Update app icons