Core/Misc: Refactor SendPlaySpellVisual and SendPlaySpellImpact and move them to Unit (from Spell)

src/server/game/Entities/Object/Object.cpp

@@ -2035,7 +2035,7 @@ void Unit::BuildHeartBeatMsg(WorldPacket *data) const
     BuildMovementPacket(data);
 }
 
-void WorldObject::SendMessageToSetInRange(WorldPacket *data, float dist, bool /*bToSelf*/)
+void WorldObject::SendMessageToSetInRange(WorldPacket *data, float dist, bool /*self*/)
 {
     Trinity::MessageDistDeliverer notifier(this, data, dist);
     VisitNearbyWorldObject(dist, notifier);