Mark scores unranked when processing is aborted

To prevent them from showing up in places they shouldn't.

Author: bdach

osu.Server.Queues.ScoreStatisticsProcessor/ScoreStatisticsQueueProcessor.cs

@@ -245,6 +245,7 @@ private void processScore(ScoreItem item, bool force = false)
                                 Console.WriteLine($"Aborting processing of score {item.Score.id}: {abortException.Message}");
                                 tags.Add("type:aborted");
                                 transaction.Rollback();
+                                conn.Execute("UPDATE `scores` SET `ranked` = 0 WHERE `id` = @scoreId", new { scoreId = score.id });
                                 return;
                             }