ghex: Move from gnome scope to top-level

pkgs/desktops/gnome/apps/ghex/default.nix pkgs/by-name/gh/ghex/package.nix

···
   passthru = {
     updateScript = gnome.updateScript {
       packageName = "ghex";
-      attrPath = "gnome.${pname}";
     };
   };
 

pkgs/desktops/gnome/default.nix

···
 
   cheese = callPackage ./apps/cheese { };
 
-  ghex = callPackage ./apps/ghex { };
-
   gnome-boxes = callPackage ./apps/gnome-boxes { };
 
   gnome-calendar = callPackage ./apps/gnome-calendar { };
···
   evince = lib.warn "The ‘gnome.evince’ was moved to top-level. Please use ‘pkgs.evince’ directly." pkgs.evince; # Added on 2024-06-13.
   evolution-data-server = lib.warn "The ‘gnome.evolution-data-server’ was moved to top-level. Please use ‘pkgs.evolution-data-server’ directly." pkgs.evolution-data-server; # Added on 2024-06-13.
   file-roller = lib.warn "The ‘gnome.file-roller’ was moved to top-level. Please use ‘pkgs.file-roller’ directly." pkgs.file-roller; # Added on 2024-06-13.
+  ghex = lib.warn "The ‘gnome.ghex’ was moved to top-level. Please use ‘pkgs.ghex’ directly." pkgs.ghex; # Added on 2024-06-22.
   gnome-autoar = lib.warn "The ‘gnome.gnome-autoar’ was moved to top-level. Please use ‘pkgs.gnome-autoar’ directly." pkgs.gnome-autoar; # Added on 2024-06-13.
   gnome-terminal = lib.warn "The ‘gnome.gnome-terminal’ was moved to top-level. Please use ‘pkgs.gnome-terminal’ directly." pkgs.gnome-terminal; # Added on 2024-06-13.
   gnome-user-share = lib.warn "The ‘gnome.gnome-user-share’ was moved to top-level. Please use ‘pkgs.gnome-user-share’ directly." pkgs.gnome-user-share; # Added on 2024-06-13.