WP Media API - not in collection case

wp-media-api-not-in-collection.php

<?php
/**
 * Here the element is an input with the media ID that we hide to keep the value for POST
 * But we still want an other display, so add html after
 * @author Maxime CULEA
 */
function transform_qrcode_p2p_meta(element) {
    element.hide();

    /**
     * Use WP Media JavaScript API
     * As stipulated, the value from element is a media ID
     * So we use it into the WP Media API to fetch the media element to add it to the media collection
     * And also to work directly with
     */
    wp.media.attachment(element.attr('value')).fetch().done(function () {
        // Work on media attributes
        media = this.attributes;

        /**
         * Html to force download. In a href the download attr is enough to fire force download.
         *
         * @see : https://stackoverflow.com/questions/5192917/force-download-through-js-or-query/18330145#18330145
         * @see : https://www.w3schools.com/TAgs/att_a_download.asp
         *
         * @var string href : the url to the media
         * @var string download : the media title on download (no need extension)
         */
        element.after('<a href="' + media.url + '" download="' + media.title + '">' + media.id + '</a>');
    });
}