Overrides \Drupal\views\Plugin\views\field\FieldPluginBase::init().
Add uid and homepage fields.
Overrides FieldPluginBase::init
public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
parent::init($view, $display, $options);
$this->additional_fields['uid'] = 'uid';
$this->additional_fields['homepage'] = 'homepage';
}