LS - MapShardDispatch controller: No MapID check!

[ephe-meral]

The MapShardDispatch controller does not check if the player is actually allowed to enter the mapID that it send with the CharacterPlayInfo packet.

We can either ignore this packet field completely and simply take the last outpost of the character, or we can check that the outpost is actually accessible for the char.

Hint: This has already been abused on the real servers, so we should at least try to fix this...