add form to formatter

The formatter can add a form. This form is handle by controller and exportManager.

[WIP] The csv formatter ask the user to ordering the aggregators.

Resources/views/Export/new_formatter_step.html.twig

@@ -29,7 +29,7 @@
     {{ form_start(form) }}
     <div>
         <h2>{{ 'Formatter'| trans }}</h2>
-        {{ form_row(form.children.formatter) }}
+        {{ form_widget(form.children.formatter) }}
     </div>
     
     <p>{{ form_widget(form.submit, { 'attr' : { 'class' : 'sc-button btn-action' } } ) }}</p>

Resources/views/Form/fields.html.twig

@@ -132,4 +132,13 @@
     </ul>
     {% endif %}
 {% endspaceless %}
-{% endblock form_errors %}
+{% endblock form_errors %}
+
+{% block _formatter__aggregator_placement_csv_formatter_row %}
+    <h3>{{ form_label(form) }}</h3>
+    
+    {{ form_row(form.order) }}
+    
+    {{ form_row(form.position) }}
+    
+{% endblock %}