Gui "join server" don't display player name

In example\starter.fps the GUI "join server" does not display the player name after the use of "back" button or after reconnexion to the game.

To fix this issue you have to replace in client/ui/startMissionGui.gui :

=> "pref::Player::Name" by "$pref::Player::Name"

the "$" is missing in front of the variable.