Client needs to automatically update it's connected state locally when the server issues the shutdown command.

[Ymihere03]

• Player 1 hosts a server and Player 2 connects.
• Player 1 shuts down the server while Player 2 is still connected.
• Player 2's client still acts like it is in the same lobby as before the shutdown.
  • Player 2's player list is now empty but typing sends text to the player slot that Player 2 was in before the d/c
  • Player 2 still needs to click the "Disconnect" button to return to a "single-player" mode.

When a client receives a server shutdown, it should behave the same as if the player clicked the "Disconnect" button.