Disallow passing NULL to preg_match()

Updates Drupal\ableplayer\Plugin\Field\FieldFormatter\AbleplayerRemoteVideoFormatter->getVideoId(). If the second parameter, $url, is a NULL type then do not continue in the function and return early: $id = '';. This is behavior for PHP <= 8.1 and will prevent errors in future versions of PHP.

added 2 commits

• 5fb6eaab - 1 commit from branch project:3.x
• 1408c10e - Disallow passing NULL to preg_match()

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merged