GameState: don't reset the score and team names until a new connection has been established
GameState: don't reset the score and team names until a new connection has been established

This makes sure the current score is still visible after a disconnect.

magmaOffenburg/RoboViz,magmaOffenburg/RoboViz,pmacalpine/RoboViz,pmacalpine/RoboViz,magmaOffenburg/RoboViz,pmacalpine/RoboViz,magmaOffenburg/RoboViz