Fix: avoid sleeping SSTicker (#17329)

code/controllers/subsystem/ticker.dm

@@ -87,7 +87,8 @@ SUBSYSTEM_DEF(ticker)
 			current_state = GAME_STATE_PREGAME
 			fire() // TG says this is a good idea
 			for(var/mob/new_player/N in GLOB.player_list)
-				N.new_player_panel_proc() // to enable the observe option
+				if (N.client)
+					N.new_player_panel_proc() // to enable the observe option
 		if(GAME_STATE_PREGAME)
 			if(!SSticker.ticker_going) // This has to be referenced like this, and I dont know why. If you dont put SSticker. it will break
 				return

code/modules/mob/new_player/new_player.dm

@@ -42,6 +42,7 @@
 
 
 /mob/new_player/proc/new_player_panel_proc()
+	set waitfor = FALSE
 	var/real_name = client.prefs.active_character.real_name
 	if(client.prefs.toggles2 & PREFTOGGLE_2_RANDOMSLOT)
 		real_name = "Random Character Slot"