Shuttle stuffs and gateway refactor port https://github.com/tgstation/tgstation/pull/49868/

code/controllers/subsystem/shuttle.dm

@@ -255,7 +255,7 @@ SUBSYSTEM_DEF(shuttle)
 	var/area/A = get_area(user)
 
 	log_shuttle("[key_name(user)] has called the emergency shuttle.")
-	deadchat_broadcast(" has called the shuttle at <span class='name'>[A.name]</span>.", "<span class='name'>[user.real_name]</span>", user, message_type=DEADCHAT_ANNOUNCEMENT)
+	deadchat_broadcast(" has called the shuttle at <span class='name'>[A.name]</span>.", "<span class='name'>[user.real_name]</span>", user)
 	if(call_reason)
 		SSblackbox.record_feedback("text", "shuttle_reason", 1, "[call_reason]")
 		log_shuttle("Shuttle call reason: [call_reason]")
@@ -394,7 +394,7 @@ SUBSYSTEM_DEF(shuttle)
 		emergency.setTimer(emergencyDockTime)
 		priority_announce("Hostile environment resolved. \
 			You have 3 minutes to board the Emergency Shuttle.",
-			null, 'sound/ai/shuttledock.ogg', "Priority")
+			null, 'shuttledock', "Priority")
 
 //try to move/request to dockHome if possible, otherwise dockAway. Mainly used for admin buttons
 /datum/controller/subsystem/shuttle/proc/toggleShuttle(shuttleId, dockHome, dockAway, timed)