Creating new poll removes old poll of different language [#3392165]

Problem/Motivation

When creating a new poll (not translating an existing one) old polls on different languages are removed. As an example if i have a poll translated in both Romanian and English and i create an new poll in English the latter will replace the old one as it should be but the Romanian page that should show the old poll will not.

Steps to reproduce

Creat a poll and translated in two different languages. The poll will appear as expected in both. Create a new poll in one language. The latter language will show the poll but the former language will show no poll.

Proposed resolution

Add language in getMostRecentPoll query

  public function getMostRecentPoll() {
    $language_code = \Drupal::languageManager()->getCurrentLanguage()->getId();
    $query = \Drupal::entityQuery('poll')
      ->condition('status', POLL_PUBLISHED)
      ->condition('langcode', $language_code)
      ->accessCheck(TRUE)
      ->sort('created', 'DESC')
      ->pager(1);
    return $this->loadMultiple($query->execute());
  }