[MIRROR] Makes nightmares unable to be pepersprayed [MDB IGNORE] (#19119)

* Makes nightmares unable to be pepersprayed

* resolve conflict

---------

Co-authored-by: SuperSlayer <91609255+SuperSlayer0@users.noreply.github.com>
Co-authored-by: lessthanthree <83487515+lessthnthree@users.noreply.github.com>

code/modules/mob/living/carbon/carbon_defense.dm

@@ -47,6 +47,9 @@
 	return null
 
 /mob/living/carbon/is_pepper_proof(check_flags = ALL)
+	var/obj/item/organ/internal/eyes/eyes = getorgan(/obj/item/organ/internal/eyes)
+	if(eyes && eyes.pepperspray_protect)
+		return eyes
 	if((check_flags & ITEM_SLOT_HEAD) && head && (head.flags_cover & PEPPERPROOF))
 		return head
 	if((check_flags & ITEM_SLOT_MASK) && wear_mask && (wear_mask.flags_cover & PEPPERPROOF))

code/modules/mob/living/carbon/human/species_types/shadowpeople.dm

@@ -109,3 +109,4 @@
 	name = "burning red eyes"
 	desc = "Even without their shadowy owner, looking at these eyes gives you a sense of dread."
 	icon = 'icons/obj/medical/organs/shadow_organs.dmi'
+	pepperspray_protect = TRUE

code/modules/surgery/organs/eyes.dm

@@ -32,6 +32,8 @@
 	var/flash_protect = FLASH_PROTECTION_NONE
 	/// What level of invisibility these eyes can see
 	var/see_invisible = SEE_INVISIBLE_LIVING
+	/// Are these eyes immune to pepperspray?
+	var/pepperspray_protect = FALSE
 	/// How much alpha lighting has (basically, night vision)
 	var/lighting_alpha