Adds the proximity monitor component. Performance improvement for turf/Entered (#14196)

* proximity monitor

* Update code/__HELPERS/unsorted.dm

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

* farie review tweaks

* actually I need this

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

code/modules/mob/living/carbon/alien/special/facehugger.dm

@@ -28,6 +28,10 @@
 
 	var/attached = 0
 
+/obj/item/clothing/mask/facehugger/ComponentInitialize()
+	. = ..()
+	AddComponent(/datum/component/proximity_monitor)
+
 /obj/item/clothing/mask/facehugger/take_damage(damage_amount, damage_type = BRUTE, damage_flag = 0, sound_effect = 1, attack_dir)
 	..()
 	if(obj_integrity < 90)
@@ -78,7 +82,7 @@
 		return HasProximity(finder)
 	return 0
 
-/obj/item/clothing/mask/facehugger/HasProximity(atom/movable/AM as mob|obj)
+/obj/item/clothing/mask/facehugger/HasProximity(atom/movable/AM)
 	if(CanHug(AM) && Adjacent(AM))
 		return Attach(AM)
 	return 0
@@ -210,6 +214,7 @@
 	icon_state = "[initial(icon_state)]_dead"
 	item_state = "facehugger_inactive"
 	stat = DEAD
+	qdel(GetComponent(/datum/component/proximity_monitor))
 
 	visible_message("<span class='danger'>[src] curls up into a ball!</span>")