Enables items to be used while ventcrawling (#37432)

* Enables items to be used while ventcrawling

* dilt fix

Author: west3436

code/game/objects/items.dm

@@ -92,6 +92,7 @@
 	var/list/quick_equip_priority = list() //stuff to override the quick equip thing so it goes in this first
 
 	var/last_burn
+	var/vent_use = FALSE //can this be used while ventcrawling
 
 /obj/item/New()
 	..()

code/game/objects/items/devices/sound_synth.dm

@@ -8,6 +8,7 @@
 	flags = FPRINT
 	siemens_coefficient = 1
 	flammable = TRUE
+	vent_use = TRUE
 
 	var/tmp/spam_flag = 0 //To prevent mashing the button to cause annoyance like a huge idiot.
 	var/selected_sound = "sound/items/bikehorn.ogg"

code/modules/mob/mob.dm

@@ -1047,12 +1047,12 @@ Use this proc preferably at the end of an equipment loadout
 	if(istype(loc,/obj/mecha))
 		return
 
-	if(isVentCrawling())
-		to_chat(src, "<span class='danger'>Not while we're vent crawling!</span>")
-		return
-
 	var/obj/item/W = get_held_item_by_index(active_hand)
+
 	if(W)
+		if(isVentCrawling() && !W.vent_use)
+			to_chat(src, "<span class='danger'>Not while we're vent crawling!</span>")
+			return
 		W.attack_self(src)
 		update_inv_hand(active_hand)