Check $item_profile is populated in ActivityPub\Transmitter
Check $item_profile is populated in ActivityPub\Transmitter

- Address https://github.com/friendica/friendica/issues/8475#issuecomment-625716446

friendica/friendica,tobiasd/friendica,friendica/friendica,annando/friendica,annando/friendica,tobiasd/friendica,friendica/friendica,fabrixxm/friendica,friendica/friendica,fabrixxm/friendica,annando/friendica,annando/friendica,friendica/friendica,fabrixxm/friendica,fabrixxm/friendica,annando/friendica,tobiasd/friendica,tobiasd/friendica,tobiasd/friendica,fabrixxm/friendica