Fix delivery data increment in APDelivery

- Avoid incrementing the queue done if Transmitter::createCachedActivityFromItem fails

src/Worker/APDelivery.php

@@ -41,12 +41,11 @@ class APDelivery extends BaseObject
 			$data = ActivityPub\Transmitter::createCachedActivityFromItem($target_id);
 			if (!empty($data)) {
 				$success = HTTPSignature::transmit($data, $inbox, $uid);
-			}
-
 				if ($success && in_array($cmd, [Delivery::POST, Delivery::COMMENT])) {
 					ItemDeliveryData::incrementQueueDone($target_id);
 				}
 			}
+		}
 
 		if (!$success) {
 			Worker::defer();