some small things (#17693)

* some small things

* .

* clean this up

* potentially fix nulls in player list

* .

* Fixes

* Update machine_stacking.dm

---------

Co-authored-by: C.L. <killer65311@gmail.com>

code/modules/mob/mob.dm

@@ -374,6 +374,9 @@
 /mob/verb/abandon_mob()
 	set name = "Return to Menu"
 	set category = "OOC.Game"
+	if(istype(src, /mob/new_player))
+		to_chat(src, span_boldnotice("You are already in the lobby!"))
+		return
 
 	if(stat != DEAD || !ticker)
 		to_chat(src, span_boldnotice("You must be dead to use this!"))
@@ -443,6 +446,7 @@
 	if(!client)
 		log_game("[key] AM failed due to disconnect.")
 		qdel(M)
+		M.key = null
 		return
 
 	M.has_respawned = TRUE //When we returned to main menu, send respawn message

code/modules/mob/new_player/lobby_browser.dm

@@ -129,9 +129,10 @@
 				observer.name = observer.real_name
 				if(!client.holder && !CONFIG_GET(flag/antag_hud_allowed))           // For new ghosts we remove the verb from even showing up if it's not allowed.
 					remove_verb(observer, /mob/observer/dead/verb/toggle_antagHUD)        // Poor guys, don't know what they are missing!
-				observer.key = key
+
+				mind.transfer_to(observer, TRUE)
+
 				observer.set_respawn_timer(time_till_respawn()) // Will keep their existing time if any, or return 0 and pass 0 into set_respawn_timer which will use the defaults
-				observer.client.init_verbs()
 				qdel(src)
 
 			return TRUE

code/modules/mob/new_player/login.dm

@@ -26,8 +26,7 @@
 
 	created_for = ckey
 
-	if(!QDELETED(src))
-		addtimer(CALLBACK(src, PROC_REF(do_after_login)), 4 SECONDS, TIMER_DELETE_ME)
+	addtimer(CALLBACK(src, PROC_REF(do_after_login)), 4 SECONDS, TIMER_DELETE_ME)
 
 /mob/new_player/proc/do_after_login()
 	PRIVATE_PROC(TRUE)