trello-description-redirectingBox-fix.user.js

// ==UserScript==
// @name         Trello fix "Redirecting"
// @namespace    http://tampermonkey.net/
// @version      0.1.2
// @description  Fix the annoying "Redirecting" box that trello puts up if the url needs auth.
// @author       niikoo
// @match        https://trello.com/c/*
// @updateURL    https://gist.github.com/niikoo/78f4ea602d9e596745dc929aebfec399/raw/trello-description-redirectingBox-fix.user.js
// @downloadURL  https://gist.github.com/niikoo/78f4ea602d9e596745dc929aebfec399/raw/trello-description-redirectingBox-fix.user.js
// @icon         https://www.google.com/s2/favicons?domain=trello.com
// @grant        none
// ==/UserScript==

let intervalIdentifier = null;

(function () {
    intervalIdentifier = setInterval(function() {
        document.querySelectorAll('a[data-testid="inline-card-resolved-view"]').forEach(el => {
            const fullHref = el.href;
            el.querySelectorAll('span').forEach(subSpan => {
                if(subSpan != null && subSpan.innerText == 'Redirecting') {
                    subSpan.innerText = fullHref;
                }
            });
        });
    }, 500);
})();

Tested with Tampermonkey on Google Chrome.