gnome3.gtk -> gtk3

fix evaluation when config.allowAliases == false

(regression after #55735)

pkgs/tools/networking/uget/default.nix

@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, intltool, openssl, curl, libnotify,
-  libappindicator-gtk3, gst_all_1, gnome3, wrapGAppsHook, aria2 ? null
+  libappindicator-gtk3, gst_all_1, gtk3, gnome3, wrapGAppsHook, aria2 ? null
 }:
 
 stdenv.mkDerivation rec {
@@ -16,13 +16,13 @@ stdenv.mkDerivation rec {
     intltool
     wrapGAppsHook
   ];
-  
+
   buildInputs = [
     openssl
     curl
     libnotify
     libappindicator-gtk3
-    gnome3.gtk
+    gtk3
     (stdenv.lib.getLib gnome3.dconf)
   ]
   ++ (with gst_all_1; [ gstreamer gst-plugins-base gst-plugins-good ])