code: def filter_sorted_apps(admin_apps, request):
      sorted_apps = []
      for orig_app_spec in appsettings.DASHBOARD_SORTED_APPS:
          app_spec = orig_app_spec.copy()
          app_spec['models'] = _build_app_models(
              request, admin_apps, app_spec['models'], ensure_all_models=True
          )
          if app_spec['models']:
              sorted_apps.append(app_spec)
      used_models = []
      for app in sorted_apps:
          used_models += app['models']
      sorted_apps += _remove_app_models(admin_apps, used_models)
      return sorted_apps