Field file webform not wirk for anonimus

https://www.drupal.org/node/2675170
use patch #2 but not work

This also not work

/**
 * Implements hook_element_info_alter().
 */
function example_fixes_element_info_alter(&$type) {
  if (isset($type['managed_file'])) {
    $type['managed_file'] += ['#process' => []];
    array_unshift($type['managed_file']['#process'], 'example_managed_file_webform_process');
  }
}
function example_managed_file_webform_process($element, &$form_state, $complete_form) {
  // Accept anonymous uploads where Drupal doesn't if file was uploaded in the same session.
    if (!empty($form_state['process_input']) && user_is_anonymous()) {
        $input = drupal_array_get_nested_value($form_state['input'], $element['#parents']);

        if (empty($element['#value']['fid']) && !empty($input['fid']) && isset($_SESSION['webform_files'][$input['fid']])) {
            form_set_value($element, $input, $form_state);
            $element['#value']['fid'] = $input['fid'];
        }
    }

    return $element;
}