wait for qr code image before showing short text (#1412)

Author: reloxx13

assets/js/core.js

@@ -1230,6 +1230,12 @@ const photoBooth = (function () {
                 qrWrapper.setAttribute('class', 'stage-code ' + config.qr.result);
 
                 const qrResultImage = document.createElement('img');
+                const qrShortText = config.qr.short_text;
+
+                qrResultImage.addEventListener('load', () => {
+                    resultPage.append(qrWrapper);
+                });
+
                 qrResultImage.src = environment.publicFolders.api + '/qrcode.php?filename=' + filename;
                 qrResultImage.alt = 'qr code';
                 qrResultImage.classList.add('stage-code__image');