osr-discourse-src/app/assets/javascripts/discourse/app/components/reviewable-queued-post.js

import Component from "@ember/component";
import showModal from "discourse/lib/show-modal";

export default Component.extend({
  actions: {
    showRawEmail() {
      showModal("raw-email").set("rawEmail", this.reviewable.payload.raw_email);
    },
  },
});