Engage close disobeyed by arriving ships

When you have new ships arriving to a system, even if in a fleet set to engage close or hold (to avoid aggroing artifact guards and such) these ships will move to attack anyway by themselves (even if the artifact circle is beyond engage close), requiring you to sit there and micro every ship as it arrives. If engagement is set to shorter range, ships need to obey this on system arrival to allow players to do something else.