module ActiveAdmin::Resource::ActionItems

def add_default_show_action_item
  add_action_item :destroy, only: :show do
    if controller.action_methods.include?("destroy") && authorized?(ActiveAdmin::Auth::DESTROY, resource)
      localizer = ActiveAdmin::Localizers.resource(active_admin_config)
      link_to localizer.t(:delete_model), resource_path(resource), method: :delete,
                                                                   data: { confirm: localizer.t(:delete_confirmation) }
    end
  end
end