Generates a key from job item data that can be used in the URL.
\Drupal\tmgmt\JobItemInterface $tmgmt_job_item: Job item.
string Returns hashed key that is safe to use in the URL.
public function getKey(JobItemInterface $tmgmt_job_item) {
return Crypt::hmacBase64($tmgmt_job_item
->id(), Settings::getHashSalt());
}