Buffs arm implants (#19773)

* fuck it signal time

* heres a great example of simplifcation!

* fuck it sometimes you have to ball, fuck stoplag

* fuck yeah baby, mob signals instead

* bam good code

* add support for drop button

* lets not drop nulls

* sirryan review

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

@@ -248,15 +248,15 @@
 	name = "photon projector"
 	desc = "A high-powered photon projector implant normally used for lighting purposes, but also doubles as a flashbulb weapon. Self-repair protocols fix the flashbulb if it ever burns out."
 	cooldown_duration = 2 SECONDS
-	var/obj/item/organ/internal/cyberimp/arm/flash/I = null
+	var/obj/item/organ/internal/cyberimp/arm/implant = null
 
 /obj/item/flash/armimplant/burn_out()
-	if(I && I.owner)
-		to_chat(I.owner, "<span class='warning'>Your [name] implant overheats and deactivates!</span>")
-		I.Retract()
+	if(implant?.owner)
+		to_chat(implant.owner, "<span class='warning'>Your [name] implant overheats and deactivates!</span>")
+		implant.Retract()
 
 /obj/item/flash/armimplant/Destroy()
-	I = null
+	implant = null
 	return ..()
 
 /obj/item/flash/synthetic //just a regular flash now