Re-enable HTML edit in Freshdesk rich text editor

freshdesk-html-edit.js

// ==UserScript==
// @name         Freshdesk HTML edit reenable
// @namespace    http://tampermonkey.net/
// @version      2024-08-22
// @description  Re-enables the HTML edit option in the Freshdesk reply editor
// @author       [email protected]
// @match        https://*.freshdesk.com/a/tickets/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=freshdesk.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    function fixToolbar () {
        const buttonGroup = document.querySelector(".fr-toolbar")?.lastChild;
        if (!buttonGroup) {
            setTimeout(fixToolbar, 5);
            return;
        }
        const lastButton = buttonGroup.lastChild;
        const lastButtonCmd = lastButton.getAttribute("data-cmd");
        if (lastButtonCmd === "html") {
            return;
        }
        const htmlButton = lastButton.cloneNode();
        htmlButton.setAttribute("data-cmd", "html");
        htmlButton.setAttribute("data-title", "HTML");
        htmlButton.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="32" height="32" fill="none" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="app-icon app-icon--small" id="i-code"><path d="M10 9 L3 17 10 25 M22 9 L29 17 22 25 M18 7 L14 27"></path></svg>`;
        buttonGroup.appendChild(htmlButton);
    }
    fixToolbar();
})();