feat(form): display the help attribute if filled

Author: maximehuran

templates/form/_theme.html.twig

@@ -9,6 +9,7 @@
         :maxFileSize="maxFileSize"
         :extraParams="extraParams"
     />
+    {{ form_help(form) }}
 {% endblock %}
 
 {% block monsieurbiz_sylius_media_manager_image_row %}