Фикс рантайма детектора движения

[Waselon]

RUNTIME: runtime error: Cannot read null.y
 - proc name: prepare blip (/obj/item/armor_module/module/motion_detector/proc/prepare_blip)
 -   source file: code/modules/clothing/modular_armor/attachments/modules.dm,872
 -   usr: Alex \'Goida\' Brown (/mob/living/carbon/human)
 -   src: Tactical sensor helmet module (/obj/item/armor_module/module/motion_detector)
 -   usr.loc: the autodoc medical system (/obj/machinery/autodoc)
 -   src.loc: the M10X pattern marine helmet (/obj/item/clothing/head/modular/m10x)
 -   call stack:
 - Tactical sensor helmet module (/obj/item/armor_module/module/motion_detector): prepare blip(Viktor Ushkin (/mob/living/carbon/human), "friendly")
 - Tactical sensor helmet module (/obj/item/armor_module/module/motion_detector): do scan()
 - /datum/callback (/datum/callback): Invoke()
 - world: PushUsr(Alex \'Goida\' Brown (/mob/living/carbon/human), /datum/callback (/datum/callback))
 - /datum/callback (/datum/callback): InvokeAsync()
 - Timer (/datum/controller/subsystem/timer): fire(1)
 - Timer (/datum/controller/subsystem/timer): ignite(1)
 - Master (/datum/controller/master): RunQueue()
 - Master (/datum/controller/master): Loop(2)
 - Master (/datum/controller/master): StartProcessing(0)

[Helg2]

Вроде норм