Fix: Duplicate "Tool" geometry nodes menu with asset catalog

Still need to maintain the hack of listing the existing menu items
in the code from cf98518055 unfortunately.

source/blender/editors/space_node/add_menu_assets.cc

@@ -163,6 +163,7 @@ static void add_root_catalogs_draw(const bContext *C, Menu *menu)
     menus.add_new("Point");
     menus.add_new("Text");
     menus.add_new("Texture");
+    menus.add_new("Tool");
     menus.add_new("Utilities");
     menus.add_new("UV");
     menus.add_new("Vector");