Editor / Directory / Add contact breaks scrolling

Fixes geonetwork#4888

web-ui/src/main/resources/catalog/components/common/popup/PopupService.js

@@ -123,6 +123,7 @@
         $(document.body).append(element);
         element.modal();
         element.on('hidden.bs.modal', function() {
+          $(document.body).removeClass('modal-open');
           element.modal('hide');
           $('body > .modal-backdrop').remove();
           element.remove();