resources/lib/ooui/themes/wikimediaui/images/icons/tray-invert.svg
<?xml version="1.0" encoding="UTF-8"?><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><title>
tray
</title><path fill="#fff" d="M3 1a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V3a2 2 0 0 0-2-2zm14 12h-4l-1 2H8l-1-2H3V3h14z"/></svg>