Prevent Google from mangling links on the search results when clicking or copying on Firefox

noMangleGoogle.user.js

// ==UserScript==
// @name        Prevent link mangling on Google and Yandex
// @namespace   LordBusiness.LMG
// @match       https://www.google.com/search
// @match       https://yandex.ru/search*
// @version     1.2
// @author      radiantly
// @description Prevent Google and Yandex from mangling the link when copying or clicking the link
// ==/UserScript==

/*
 * To install this script, you'll need a user script manager like ViolentMonkey, after which you
 * can click the Raw button (gist.github.com) to install.
 */

(function() {

  /*
   * The following 3 lines simply prevent the mousedown event from propagating to the respective
   * event listeners attached to the various link elements.
   *
   * On testing, this does not seem to break any actual functionality on the site.
   */
  window.addEventListener("mousedown", (event) => {
    event.stopImmediatePropagation();
  }, true);

})();