feat: delete accommodation bookings in draft

templates/admin/accommodation_booking/index.html.twig

@@ -99,6 +99,13 @@
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                                     </twig:dropdown:link>
                                 {% endif %}
+                                {# A record that has been in front of the customer gets discarded,
+                                   not removed — see DeleteController. #}
+                                {% if booking.draft %}
+                                    <twig:dropdown:hxbutton url="{{ path('app_admin_accommodationbooking_delete', { 'id': booking.id, 'r': return_url() }) }}" warning>
+                                        löschen
+                                    </twig:dropdown:hxbutton>
+                                {% endif %}
                             </twig:dropdown>
                         </td>
                     </tr>

templates/admin/accommodation_booking/modal_delete.html.twig

@@ -0,0 +1,12 @@
+{% extends 'htmx_confirmation_modal.html.twig' %}
+
+{% block content %}
+    <div>
+        Möchtest du den Entwurf für <em>{{ booking.accommodation.name }}</em>
+        {% if booking.groupName %}(<em>{{ booking.groupName }}</em>){% endif %}
+        vom {{ booking.dateFrom | date('d.m.Y') }} – {{ booking.dateTo | date('d.m.Y') }}
+        wirklich dauerhaft löschen?
+    </div>
+{% endblock %}
+
+{% block button_confirm %}löschen{% endblock %}