Make menu to state machine

src/Space.cpp

@@ -1831,7 +1831,7 @@ namespace ZL
 				gameOver = true;
 				Environment::shipState.velocity = 0.0f;
 				std::cout << "Client: Lost connection to server\n";
-				menuManager.showGameOver(this->playerScore);
+				menuManager.showConnectionLost();
 			}
 
 			auto pending = networkClient->getPendingProjectiles();