[bug#47863] [PATCH] gnu: xfce4-settings: Add gsettings-desktop-schemas.

[Brendan Tildesley]

Run 
$(guix system vm ./xfce-os-test.scm) -m 1G
with this:

(use-modules (gnu)
             (srfi srfi-1))
(use-service-modules desktop xorg)
(operating-system
  (bootloader (grub-configuration))
  (file-systems %base-file-systems)
  (locale "en_AU.utf8")
  (timezone "Australia/Hobart")
  (keyboard-layout    (keyboard-layout "us" "colemak"))
  (host-name "jiu")
  (users (cons* (user-account
                 (name "b")
                 (password (crypt "b" "$6$abc")) ;; password "b"
                 (comment "Brendan")
                 (group "users")
                 (home-directory "/home/b")
                 (supplementary-groups
                  '("wheel" "netdev" "audio" "video" "kvm")))
                %base-user-accounts))
  (packages
   (append
    (map specification->package '("nss-certs"
                                  "gnome-themes-standard"))
    %base-packages))
  (services
   (append
    (list (set-xorg-configuration
           (xorg-configuration
            (keyboard-layout keyboard-layout)))

          (service xfce-desktop-service-type))

    (modify-services %desktop-services
      (gdm-service-type
       config => (gdm-configuration
                  (default-user "b")
                  (auto-login? #t)))))))