Actually fixes mesmerize (#12330)

code/datums/status_effects/debuffs.dm

@@ -120,11 +120,13 @@
 /datum/status_effect/mesmerize/on_creation(mob/living/new_owner, set_duration)
 	. = ..()
 	ADD_TRAIT(owner, TRAIT_MUTE, "mesmerize")
+	ADD_TRAIT(owner, TRAIT_COMBAT_MODE_LOCKED, "mesmerize")
 	owner.add_movespeed_modifier(/datum/movespeed_modifier/status_effect/mesmerize)
 
 /datum/status_effect/mesmerize/on_remove()
 	. = ..()
 	REMOVE_TRAIT(owner, TRAIT_MUTE, "mesmerize")
+	REMOVE_TRAIT(owner, TRAIT_COMBAT_MODE_LOCKED, "mesmerize")
 	owner.remove_movespeed_modifier(/datum/movespeed_modifier/status_effect/mesmerize)
 
 /datum/status_effect/mesmerize/on_creation(mob/living/new_owner, set_duration)

code/modules/antagonists/bloodsucker/powers/mesmerize.dm

@@ -117,8 +117,6 @@
 	RegisterSignal(target, COMSIG_MOVABLE_MOVED, .proc/ContinueTarget)
 	// 5 second windup
 	addtimer(CALLBACK(src, .proc/apply_effects, L, target, power_time), 6 SECONDS)
-	ADD_TRAIT(target, TRAIT_COMBAT_MODE_LOCKED, src)
-	ADD_TRAIT(L, TRAIT_COMBAT_MODE_LOCKED, src)
 
 /datum/action/bloodsucker/targeted/mesmerize/proc/apply_effects(aggressor, victim, power_time)
 	var/mob/living/carbon/target = victim
@@ -127,7 +125,6 @@
 		return
 	PowerActivatedSuccessfully() // blood & cooldown only altered if power activated successfully - less "fuck you"-y
 	target.apply_status_effect(STATUS_EFFECT_MESMERIZE, power_time)
-	REMOVE_TRAIT(L, TRAIT_COMBAT_MODE_LOCKED, src)
 	target.face_atom(L)
 	target.Stun(power_time)
 	to_chat(L, "<span class='notice'>[target] is fixed in place by your hypnotic gaze.</span>")
@@ -136,7 +133,6 @@
 	spawn(power_time)
 	if(istype(target) && success)
 		target.notransform = FALSE
-		REMOVE_TRAIT(target, TRAIT_COMBAT_MODE_LOCKED, src)
 		if(istype(L) && target.stat == CONSCIOUS && (target in L.fov_view(10))) // They Woke Up! (Notice if within view)
 			to_chat(L, "<span class='warning'>[target] has snapped out of their trance.</span>")