Meet Io Dialogue Server Side Fix for Web Client

[AntumDeluge]

When web client is detected changes Io's dialogue from:

You can travel to the astral plane at any time, thereby saving and closing your game. Just type #/quit, or press the #Esc key, or even simply close the window. Okay! Hmm, I think you want to learn how to float in the air like I do.

to:

You can travel to the astral plane at any time, thereby saving and closing your game. Just open the main menu and select the "Select character" button, or even simply close the window. Okay! Hmm, I think you want to learn how to float in the air like I do.

Closes #566
Replaces #761