Allow Disconnected Party Members to Rejoin Mini Dungeons

Hello hello,

As it stands right now, if you're in a mini dungeon (e.g. Skele) and one of your party members disconnects, they're unable to re-enter the map until your entire party leaves and re-enters together.

While I don't sell any leech myself, I do occasionally run into unnecessary headache when selfleeching and running into this. I can imagine it is significantly more annoying if you have multiple buyers in party.

If it is an easy fix that doesn't require a lot of time spent by devs, I'd like for party members to be able to re-join the instance. (And copying the same timer as the party members that did not dc, of course.)

Kind regards,
Ainz