Fix Leaderboard loading

src/de/steamwar/lobby/util/Leaderboard.java

@@ -113,12 +113,14 @@ public class Leaderboard implements Listener {
 
     private long getPlayerTime(SteamwarUser user) {
         return PLAYER_TIME.select(resultSet -> {
+            resultSet.next();
             return resultSet.getLong("Time");
         }, configKey, user.getId());
     }
 
     private int getPlayerPlacement(SteamwarUser user) {
         return PLAYER_PLACEMENT.select(resultSet -> {
+            resultSet.next();
             return resultSet.getInt("Placement");
         }, configKey, configKey, user.getId());
     }