[MIRROR] Converts blindness and nearsightedness to status effects, scratches some VERY dumb blindness handling that resulted in mobs becoming "incurably" blind [MDB IGNORE] (#18760)

* Converts blindness and nearsightedness to status effects, scratches some VERY dumb blindness handling that resulted in mobs becoming "incurably" blind

* Fixes the conflicts and makes shit compile!

* Fixes other things that didn't show up because I hadn't updated

* Fixes the lints.

* Okay NOW it's ready (please don't add anything else that touches blindness I beg you)

---------

Co-authored-by: MrMelbert <51863163+MrMelbert@users.noreply.github.com>
Co-authored-by: GoldenAlpharex <jerego1234@hotmail.com>

code/datums/components/food/edible.dm

@@ -451,9 +451,9 @@ Behavior that's still missing from this component that original food items had t
 		return FALSE
 	var/mob/living/carbon/C = eater
 	var/covered = ""
-	if(C.is_mouth_covered(head_only = 1))
+	if(C.is_mouth_covered(ITEM_SLOT_HEAD))
 		covered = "headgear"
-	else if(C.is_mouth_covered(mask_only = 1))
+	else if(C.is_mouth_covered(ITEM_SLOT_MASK))
 		covered = "mask"
 	if(covered)
 		var/who = (isnull(feeder) || eater == feeder) ? "your" : "[eater.p_their()]"

code/datums/components/irradiated.dm

@@ -135,7 +135,7 @@
 		span_boldwarning("Your [affected_limb.plaintext_zone] bubbles unnaturally, then bursts into blisters!"),
 	)
 
-	if (human_parent.is_blind())
+	if(human_parent.is_blind())
 		to_chat(human_parent, span_boldwarning("Your [affected_limb.plaintext_zone] feels like it's bubbling, then burns like hell!"))
 
 	human_parent.apply_damage(RADIATION_BURN_SPLOTCH_DAMAGE, BURN, affected_limb)