Script Speichern in für Fx 78 wieder anpassen

(function() {
    
    const Cu = Components.utils;
    if (!window.FileUtils) Cu.import('resource://gre/modules/FileUtils.jsm');
    if (!window.Services) Cu.import('resource://gre/modules/Services.jsm');

    setTimeout(function() {
         saveTo()
    }, 200);


    function saveTo() {
        // Config
        var dirArray = [
      ['G:\\Kontoauszug\\Sparkasse\\2023', 'G:\\Kontoauszug\\Sparkasse\\2023'] // ,
      ['G:\\Kontoauszug\\Volksbank\\2021', 'G:\\Kontoauszug\\Volksbank\\2023']
    ];

        let button = document.getElementById("unknownContentType").getButton("cancel");
        let saveTo = button.parentNode.insertBefore(document.createXULElement("button"), button);
        var saveToMenu = saveTo.appendChild(document.createXULElement("menupopup"));
            
        saveTo.classList.toggle("dialog-button");
        saveTo.label = "Speichern nach";
        saveTo.type = "menu";
        
        var css =`
        
        /* Hintergrund der einzelnen Button */    
      hbox.dialog-button-box button[label="Speichern nach"]{
        appearance: none!important;
        color: white !important;
        background: dodgerblue !important;
        border: 1px solid black !important;
        border-radius: 7px !important;
        padding-left: 4px !important;
        padding-right: 4px !important;
        padding-bottom: 3px !important;
       } 
    
      hbox.dialog-button-box button[label="Speichern nach"]:hover {
        color: white !important;
        background: blue !important;
        border: 1px solid red !important;
       }    
        
       /* wenn Schriftfarbe anders für DropDown */
      hbox.dialog-button-box button.dialog-button menupopup {
        border-radius:4px  !important;
        background: #6200a4 !important;
        color:#f9f9fa !important; /* Grey 10 */
      }
      
      hbox.dialog-button-box button.dialog-button menupopup menuitem.menuitem-iconic:hover {
        background: #6200a4 !important;    /* Purple 70 */
        color: #ffe900 !important;         /* Yellow 50 */
      }

      hbox.dialog-button-box button.dialog-button menupopup menuitem.menuitem-iconic hbox.menu-iconic-left {
        padding-left:5px !important;
      }

      hbox.dialog-button-box button.dialog-button menupopup menuitem.menuitem-iconic label.menu-iconic-text{
        font-weight: 700 !important;
        padding:5px 10px 5px 5px !important;
      }


`;

        var sss = Cc['@mozilla.org/content/style-sheet-service;1'].getService(Ci.nsIStyleSheetService);
        var uri = Services.io.newURI('data:text/css,' + encodeURIComponent(css))
        sss.loadAndRegisterSheet(uri, sss.AGENT_SHEET);
        
        dirArray.forEach(function(dir) {
            var [name, dir] = [dir[1], dir[0]];
            var mi = document.createXULElement("menuitem");
            var item = saveToMenu.appendChild(mi);
            item.setAttribute("label", (name || (dir.match(/[^\\/]+$/) || [dir])[0]));
            item.setAttribute("image", "moz-icon:file:///" + dir + "\\");
            item.setAttribute("class", "menuitem-iconic");
            item.addEventListener("command", function() {
                var file = new FileUtils.File(dir.replace(/\\/g, '\\\\') + '\\\\' + (document.getElementById('locationtext') ? document.getElementById('locationtext').value : document.getElementById('location').value));
                 dialog.mLauncher.saveDestinationAvailable(file);
                dialog.onCancel = function() {};
                close();
            });
        });
        
    
        
    }
}());