feat: uggly leaderboard

app/src/main/java/network/client/ClientConnexion.java

@@ -21,7 +21,6 @@ import sudoku.io.SudokuSerializer;
 public class ClientConnexion extends Connexion {
 
 	private final Client client;
-	private Player player = null;
 
 	public ClientConnexion(String address, short port, Client client) throws UnknownHostException, IOException {
 		super(new Socket(address, port));
@@ -38,7 +37,7 @@ public class ClientConnexion extends Connexion {
 
 	@Override
 	public void visitPacket(ConnexionInfoPacket packet) {
-		this.player = this.client.getGame().getPlayerById(packet.getConnectionId());
+		this.client.player = this.client.getGame().getPlayerById(packet.getConnectionId());
 		client.onConnect.emit();
 	}