Add aria-describedBy on input

Author: Mathieu Piot

Resources/views/Form/form_div_layout.html.twig

@@ -309,7 +309,7 @@
     <div>
         {{- form_label(form) -}}
         {{- form_errors(form) -}}
-        {{- form_widget(form) -}}
+        {{- form_widget(form, { 'helpBlockDisplayed': true }) -}}
         {{- form_help(form) -}}
     </div>
 {%- endblock form_row -%}
@@ -397,6 +397,7 @@
     id="{{ id }}" name="{{ full_name }}"
     {%- if disabled %} disabled="disabled"{% endif -%}
     {%- if required %} required="required"{% endif -%}
+    {%- if helpBlockDisplayed is defined and helpBlockDisplayed and help is not empty %} aria-describedby="{{ id }}HelpBlock"{% endif -%}
     {{ block('attributes') }}
 {%- endblock widget_attributes -%}