N°6414 Separate SubFormField and Scalar fields

This will help to set methods as final, as SubFormField is often the sole one to have a real custom impl

sources/Form/Field/TextField.php

@@ -24,7 +24,7 @@ namespace Combodo\iTop\Form\Field;
  *
  * @author Guillaume Lajarige <guillaume.lajarige@combodo.com>
  */
-abstract class TextField extends Field
+abstract class TextField extends AbstractSimpleField
 {
 
 }