Initialize $permissions variable in ActivityPub\Transmitter::fetchPermissionBlockFromConversation
Initialize $permissions variable in ActivityPub\Transmitter::fetchPermissionBlockFromConversation

- Address https://github.com/friendica/friendica/issues/10757#issuecomment-927361800

annando/friendica,annando/friendica,friendica/friendica,annando/friendica,friendica/friendica,friendica/friendica,annando/friendica,annando/friendica,friendica/friendica,friendica/friendica