Refactor to make ChillDateTimeType field rendering re-usable

- added html rendering to fields.html.twig and block_prefix to ChillDateTimeType.php

.changes/unreleased/UX-20251126-133910.yaml

@@ -0,0 +1,6 @@
+kind: UX
+body: Improve accessibility of event form
+time: 2025-11-26T13:39:10.462348982+01:00
+custom:
+    Issue: "474"
+    SchemaChange: No schema change

src/Bundle/ChillEventBundle/Controller/ParticipationController.php

@@ -486,7 +486,7 @@ final class ParticipationController extends AbstractController
 
             return $this->redirectToRoute(
                 'chill_event__event_show',
-                ['event_id' => $event->getId()]
+                ['id' => $event->getId()]
             );
         }
 

src/Bundle/ChillEventBundle/Resources/views/Event/edit.html.twig

@@ -15,7 +15,6 @@
     {{ form_row(edit_form.circle) }}
     {{ form_row(edit_form.name) }}
     {{ form_row(edit_form.date) }}
-
     {{ form_row(edit_form.type, { label: "Event type" }) }}
     {{ form_row(edit_form.themes) }}
     {{ form_row(edit_form.moderator) }}

src/Bundle/ChillMainBundle/Form/Type/ChillDateTimeType.php

@@ -37,4 +37,9 @@ class ChillDateTimeType extends AbstractType
     {
         return DateTimeType::class;
     }
+
+    public function getBlockPrefix(): string
+    {
+        return 'chill_datetime';
+    }
 }

src/Bundle/ChillMainBundle/Resources/views/Form/fields.html.twig

@@ -311,3 +311,32 @@
         </div>
     </div>
 {% endblock %}
+
+{% block chill_datetime_label %}
+    <label for="{{ form.date.vars.id }}" class="col-form-label col-sm-4 required">
+        {{ "Date"|trans }}
+    </label>
+{% endblock %}
+
+{% block chill_datetime_widget %}
+    <div class="col-sm-8 d-flex align-items-start gap-2">
+        {#date#}
+        {{ form_widget(form.date, {
+            attr: { class: 'form-control', style: 'flex: 1 1 auto;' }
+        }) }}
+        {#time#}
+        {{ form_widget(form.time, {
+            attr: {
+                class: 'form-select',
+                style: 'flex: 0 0 200px; max-width: 200px; white-space: nowrap; padding:0;'
+            }
+        }) }}
+    </div>
+{% endblock %}
+
+{% block chill_datetime_row %}
+    <div class="mb-3 row">
+        {{ block('chill_datetime_label') }}
+        {{ block('chill_datetime_widget') }}
+    </div>
+{% endblock %}