module ActiveAdmin::Resource::ActionItems

def add_default_edit_action_item
  add_action_item :edit, only: :show do
    if controller.action_methods.include?("edit") && authorized?(ActiveAdmin::Auth::EDIT, resource)
      localizer = ActiveAdmin::Localizers.resource(active_admin_config)
      link_to localizer.t(:edit_model), edit_resource_path(resource)
    end
  end
end