feat: enable entering additional remarks in offer confirmation

templates/admin/accommodation_booking/modal_create.html.twig

@@ -18,6 +18,9 @@
         <div class="lg:col-span-2">
             {{ form_row(form.status) }}
         </div>
+        <div class="lg:col-span-2">
+            {{ form_row(form.email) }}
+        </div>
     </div>
     <div class="flex justify-end pt-8">
         <button type="submit" class="button button--primary button--small">