discourse/app/assets/javascripts/admin/routes/admin-email-rejected.js

import showModal from "discourse/lib/show-modal";
import AdminEmailIncomings from "admin/routes/admin-email-incomings";

export default AdminEmailIncomings.extend({
  status: "rejected",

  actions: {
    showIncomingEmail(id) {
      showModal("admin-incoming-email", { admin: true });
      this.controllerFor("modals/admin-incoming-email").load(id);
    }
  }
});