Antimagic now gets used up once it loses all charges (#44956)

Also makes the tinfoil hat load correctly if varedited in the DMM.

code/datums/components/anti_magic.dm

@@ -44,5 +44,6 @@
 		charges -= chargecost
 		if(charges <= 0)
 			expire?.Invoke(user)
+			qdel(src)
 		return COMPONENT_BLOCK_MAGIC
 

code/modules/clothing/head/misc_special.dm

@@ -272,6 +272,8 @@
 	. = ..()
 	if(!warped)
 		AddComponent(/datum/component/anti_magic, FALSE, FALSE, TRUE, ITEM_SLOT_HEAD,  6, TRUE, null, CALLBACK(src, .proc/warp_up))
+	else
+		warp_up()
 
 /obj/item/clothing/head/foilhat/equipped(mob/living/carbon/human/user, slot)
 	. = ..()
@@ -304,9 +306,7 @@
 	name = "scorched tinfoil hat"
 	desc = "A badly warped up hat. Quite unprobable this will still work against any of fictional and contemporary dangers it used to."
 	warped = TRUE
-	var/datum/component/anti_magic/C = GetComponent(/datum/component/anti_magic)
-	C.RemoveComponent()
-	if(!isliving(loc))
+	if(!isliving(loc) || !paranoia)
 		return
 	var/mob/living/target = loc
 	if(target.get_item_by_slot(SLOT_HEAD) != src)