The road to Initialize() stability - Enforcing parent call on New(), Initialize() and Destroy() (#14719)

* The road to Initialize() stability

* Fixes sanity, for now

code/modules/mob/living/silicon/decoy/decoy.dm

@@ -6,12 +6,6 @@
 	canmove = 0
 	a_intent = INTENT_HARM // This is apparently the only thing that stops other mobs walking through them as if they were thin air.
 
-/mob/living/silicon/decoy/New()
-	src.icon = 'icons/mob/ai.dmi'
-	src.icon_state = "ai"
-	src.anchored = 1
-	src.canmove = 0
-
 /mob/living/silicon/decoy/attackby(obj/item/W, mob/user, params)
 	if(istype(W, /obj/item/aicard))
 		to_chat(user, "<span class='warning'>You cannot find an intellicard slot on [src].</span>")

code/modules/mob/living/silicon/silicon.dm

@@ -39,15 +39,18 @@
 /mob/living/silicon/New()
 	GLOB.silicon_mob_list |= src
 	..()
-	var/datum/atom_hud/data/diagnostic/diag_hud = GLOB.huds[DATA_HUD_DIAGNOSTIC]
-	diag_hud.add_to_hud(src)
-	diag_hud_set_status()
-	diag_hud_set_health()
 	add_language("Galactic Common")
 	init_subsystems()
 	RegisterSignal(SSalarm, COMSIG_TRIGGERED_ALARM, .proc/alarm_triggered)
 	RegisterSignal(SSalarm, COMSIG_CANCELLED_ALARM, .proc/alarm_cancelled)
 
+/mob/living/silicon/Initialize()
+	. = ..()
+	var/datum/atom_hud/data/diagnostic/diag_hud = GLOB.huds[DATA_HUD_DIAGNOSTIC]
+	diag_hud.add_to_hud(src)
+	diag_hud_set_status()
+	diag_hud_set_health()
+
 /mob/living/silicon/med_hud_set_health()
 	return //we use a different hud