system/packages: fix infinite recursion

modules/system/packages-gui.nix

@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }: {
+  config = lib.mkIf config.me.gui {
+    environment.systemPackages = with pkgs; [
+      gparted
+      nautilus
+    ];
+    programs.adb.enable = true;
+    hardware.graphics.extraPackages = with pkgs; [
+      vaapiIntel
+      vaapiVdpau
+      libvdpau-va-gl
+    ];
+    programs.light.enable = true;
+    hardware.opentabletdriver.enable = true;
+    hardware.keyboard.qmk.enable = true;
+    programs.steam = {
+      enable = true;
+      package = pkgs.steam.override {
+        extraPkgs = pkgs: with pkgs; [
+          gsettings-desktop-schemas
+        ];
+      };
+    };
+    services.dbus.packages = [ pkgs.dconf pkgs.gcr ];
+    services.gnome.sushi.enable = true;
+  };
+}