Drop UpdateContact worker task if contact is blocked

# Conflicts:
#	src/Worker/UpdateContact.php

src/Worker/UpdateContact.php

@@ -23,6 +23,7 @@ namespace Friendica\Worker;
 
 use Friendica\Core\Logger;
 use Friendica\Model\Contact;
+use Friendica\Network\HTTPException\InternalServerErrorException;
 
 class UpdateContact
 {
@@ -34,8 +35,33 @@ class UpdateContact
 	 */
 	public static function execute(int $contact_id)
 	{
+		// Silently dropping the task if the contact is blocked
+		if (Contact::isBlocked($contact_id)) {
+			return;
+		}
+
 		$success = Contact::updateFromProbe($contact_id);
 
 		Logger::info('Updated from probe', ['id' => $contact_id, 'success' => $success]);
 	}
+
+	/**
+	 * @param array|int $run_parameters Priority constant or array of options described in Worker::add
+	 * @param int       $contact_id
+	 * @return int
+	 * @throws InternalServerErrorException
+	 */
+	public static function add($run_parameters, int $contact_id): int
+	{
+		if (!$contact_id) {
+			throw new \InvalidArgumentException('Invalid value provided for contact_id');
+		}
+
+		// Dropping the task if the contact is blocked
+		if (Contact::isBlocked($contact_id)) {
+			return 0;
+		}
+
+		return Worker::add($run_parameters, 'UpdateContact', $contact_id);
+	}
 }