Fixes mindflayers sometimes being spammed with messages when pacified (#30686)

* fixes the message popping up when using action buttons

* Secret second bug that the first bug uncovered, fixes no messages at all

code/datums/actions/spell_action.dm

@@ -44,7 +44,7 @@
 	var/datum/spell/spell = target
 
 	if(owner)
-		return spell.can_cast(owner, show_message)
+		return spell.can_cast(owner, TRUE, show_message)
 	return FALSE
 
 /datum/action/spell_action/apply_unavailable_effect(atom/movable/screen/movable/action_button/button)

code/modules/antagonists/mind_flayer/flayer_power.dm

@@ -60,7 +60,8 @@
 		return FALSE
 
 	if(checks_nullification && HAS_TRAIT(user, TRAIT_MINDFLAYER_NULLIFIED))
-		flayer_datum.send_swarm_message("We do not have the energy to manifest that currently...")
+		if(show_message)
+			flayer_datum.send_swarm_message("We do not have the energy to manifest that currently...")
 		return FALSE
 	return TRUE