fix(question): refactor requirement for input

Signed-off-by: Thierry Bugier <tbugier@teclib.com>

inc/question.class.php

@@ -777,7 +777,8 @@ public function showForm($ID, $options = []) {
          'id' => 'name',
          'autofocus' => '',
          'value' => $this->fields['name'],
-         'class' => 'form-control required',
+         'class' => 'form-control',
+         'required' => 'required'
       ]);
       echo '</td>';