Stops autotraitor grabbing minds from the lobby for antag roles.

code/game/gamemodes/game_mode.dm

@@ -515,6 +515,8 @@ var/global/list/additional_antag_types = list()
 		for(var/mob/player in player_list)
 			if(!player.client)
 				continue
+			if(istype(player, /mob/new_player))
+				continue
 			if(!role || (player.client.prefs.be_special & role))
 				log_debug("[player.key] had [antag_id] enabled, so we are drafting them.")
 				candidates |= player.mind