Add blood splatter events to a few places (#95457)

## About The Pull Request

Adds `/datum/mood_event/splattered_with_blood` to two places you are
explicitly splattered with blood

## Why It's Good For The Game

Consistency 

## Changelog

🆑 Melbert
qol: More places causes the "splattered with blood" mood event
/🆑

code/modules/mob/living/basic/vermin/cockroach/cockroach.dm

@@ -111,6 +111,7 @@
 		for(var/mob/living/mob_in_turf in messy_turf)
 			mob_in_turf.visible_message(span_danger("[mob_in_turf] is splattered with blood!"), span_userdanger("You're splattered with blood!"))
 			mob_in_turf.add_blood_DNA(list("Non-human DNA" = random_human_blood_type()))
+			mob_in_turf.add_mood_event("splattered_with_blood", /datum/mood_event/splattered_with_blood)
 			playsound(mob_in_turf, 'sound/effects/splat.ogg', 50, TRUE, extrarange = SILENCED_SOUND_EXTRARANGE)
 	return ..()
 
@@ -243,4 +244,3 @@
 	maxHealth = 2
 	minion_path = null
 	gold_core_spawnable = NO_SPAWN
-