feat: additional notification about invoice download

closes #869cxbk6c

src/Controller/Booking/Edit/IndexController.php

@@ -151,6 +151,7 @@ class IndexController extends AbstractController
                 break;
             case BookingEditSubmissionResult::STATUS_SUCCESS:
                 $this->addFlash('success', 'Buchung erfolgreich aktualisiert');
+                $this->addFlash('booking_edit_notice', 'Bitte ladet euch eine aktualisierte Rechnung herunter, damit ihr stets den aktuellen Stand eurer Buchung vorliegen habt.');
                 break;
             case BookingEditSubmissionResult::STATUS_UNSUCCESSFUL:
                 $this->addFlash('error', $result->message ?? 'Buchung konnte nicht aktualisiert werden');

templates/booking/edit/index.html.twig

@@ -46,6 +46,14 @@
                     {% block participant_cards %}
                         <h2 class="pb-4">Teilnehmer:innen</h2>
 
+                        {% if app.session.flashBag.peek('booking_edit_notice')|length > 0 %}
+                            {% include '_partials/_alert.html.twig' with {
+                                level: 'info',
+                                title: 'Hinweis',
+                                messages: app.flashes('booking_edit_notice')
+                            } %}
+                        {% endif %}
+
                         {% if bookingEditContext.isDirty %}
                             {% include '_partials/_alert.html.twig' with {
                                 level: 'warning',