[MIRROR] Fixes monitorhead monitorface (#6862)

Co-authored-by: Casey <a.roaming.shadow@gmail.com>
Co-authored-by: CHOMPStation2 <chompsation2@gmail.com>

code/modules/mob/living/carbon/human/human_powers.dm

@@ -375,5 +375,6 @@
 	if(choice)
 		E.eye_icon_location = robohead.monitor_icon
 		E.eye_icon = states[choice]
+		E.eye_icon_override = TRUE
 		to_chat(src,"<span class='warning'>You set your monitor to display [choice]!</span>")
 		update_icons_body()

code/modules/mob/living/carbon/human/update_icons.dm

@@ -277,7 +277,7 @@ var/global/list/damage_icon_parts = list() //see UpdateDamageIcon()
 			if (species.selects_bodytype != SELECTS_BODYTYPE_FALSE)
 				var/headtype = GLOB.all_species[species.base_species]?.has_limbs[BP_HEAD]
 				var/obj/item/organ/external/head/headtypepath = headtype["path"]
-				if (headtypepath)
+				if (headtypepath && !head.eye_icon_override)
 					head.eye_icon = initial(headtypepath.eye_icon)
 					head.eye_icon_location = initial(headtypepath.eye_icon_location)
 			icon_key += "[head.eye_icon]"

code/modules/organs/subtypes/standard.dm

@@ -277,6 +277,7 @@
 	var/head_offset = 0
 	var/eye_icon = "eyes_s"
 	var/eye_icon_location = 'icons/mob/human_face.dmi'
+	var/eye_icon_override = FALSE		// if true, we dont reset our icon back to default
 	force = 3
 	throwforce = 7
 	var/eyes_over_markings = FALSE //VOREStation edit