feat: indicate incomplete participant data in cards

templates/booking/edit/index.html.twig

@@ -71,8 +71,9 @@
                                     'index': loop.index0,
                                     'participantNumber': loop.index,
                                     'mode': 'edit',
+                                    'bookingId': bookingData.id,
                                     'isCanceled': isCanceled,
-                                    'bookingId': bookingData.id
+                                    'isSubmitted': isSubmitted,
                                 } %}
                             {% endfor %}
                         </div>