Add update alerts and leaderboard filters

online_manager.gd

@@ -215,7 +215,10 @@ func load_leaderboard(map_index: int, difficulty_index: int, endless: bool, limi
 			"username": str(current_names.get(record.owner_id, record.username)),
 			"score": int(record.score),
 			"wave": int(record.subscore),
-			"owner_id": record.owner_id
+			"owner_id": record.owner_id,
+			"map": map_index,
+			"difficulty": difficulty_index,
+			"mode": "endless" if endless else "mission"
 		})
 	leaderboard_loaded.emit(leaderboard_id, rows)
 	return rows