Partyskill should be able to move to target player when it is far

Nowadays partyskill will only trigger when the target in between dist and maxDist of the partyskill block from the target, there is no logic to get closer when it is further away.

This could probably be done rather easily, it would make possible for example to make a moving slave bot for a party in a map, or just to make it so it can move a bit closer to a player to buff instead of waiting for it to get closer.

How do you guys think it should be done? Setting in partySkill block? New block type? Poor idea?