Batch dispatch callback for submitting a job.
int $job_id: The job ID to submit.
int|null $template_job_id: (optional) A template job to use for the translator and settings.
public static function batchSubmit($job_id, $template_job_id = NULL) {
\Drupal::service('tmgmt.job_checkout_manager')
->doBatchSubmit($job_id, $template_job_id);
}