Overrides Drupal\views\Plugin\views\field\FieldPluginBase::init().
This method assumes the taxonomy_term_data table. If using another table, we'll need to be more specific.
Overrides FieldPluginBase::init
public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
parent::init($view, $display, $options);
$this->additional_fields['vid'] = 'vid';
$this->additional_fields['tid'] = 'tid';
}