nixos/cinnamon: Add miscellaneous packages to systemd.packages

ref: https://github.com/linuxmint/cinnamon-session/commit/e01c8c37f6bb5458cc8f38ad73e23d232e7f932a
ref: https://gitlab.freedesktop.org/xdg/xdg-user-dirs/-/commit/2a63d3f0ffb76135790bb1168a3270a599904380

Also add xdg-user-dirs-gtk as done in linuxmint.

nixos/modules/services/x11/desktop-managers/cinnamon.nix

@@ -123,6 +123,15 @@ in
         nemo-with-extensions
         xapp
       ];
+      systemd.packages =
+        with pkgs;
+        [
+          cinnamon-session
+        ]
+        ++ utils.removePackagesByName [
+          xdg-user-dirs # Update user dirs as described in https://freedesktop.org/wiki/Software/xdg-user-dirs/
+          xdg-user-dirs-gtk
+        ] config.environment.cinnamon.excludePackages;
       services.cinnamon.apps.enable = mkDefault true;
       services.gnome.evolution-data-server.enable = true;
       services.gnome.glib-networking.enable = true;
@@ -218,6 +227,7 @@ in
             mint-y-icons
             xapp # provides some xapp-* icons
             xapp-symbolic-icons
+            xdg-user-dirs-gtk
           ] config.environment.cinnamon.excludePackages
         );