discourse/app/assets/javascripts/admin/addon/templates/customize-form-templates-edit.gjs

import RouteTemplate from "ember-route-template";
import Form from "admin/components/form-template/form";
import InfoHeader from "admin/components/form-template/info-header";

export default RouteTemplate(
  <template>
    <div class="edit-form-template">
      <InfoHeader />
      <Form @model={{@controller.model}} />
    </div>
  </template>
);