jira-color.user.js

// ==UserScript==
// @name         Jira Color Checkbox
// @namespace    http://<domain>
// @version      0.1
// @description  Ensures the color checkbox to be checked.
// @author       DRe
// @match        https://<sub-domain>/secure/RapidBoard.jspa?rapidView=175&*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var timeout  = 10000;
    var started = Date.now();
    function clickColorCheckbox() {
        var checkbox = document.getElementById("ghx-colorcontrol-range");
        if (checkbox) {
            if (!checkbox.checked) {
                checkbox.click();
            }
            /*
            var controls = document.getElementById("ghx-color-controls");
            if (controls) {
                controls.parentNode.removeChild(controls);
            }
            */
        } else if (Date.now() - started < timeout) {
            setTimeout(clickColorCheckbox, 10);
        }
    }
    clickColorCheckbox();
})();