Token Group Spawning: fixed shiftdown vector

[Chr1Z93]

This fixes the spawning of multiple token groups. The shiftdown needs to be in the same rotation as the card.

Example:

[Entrox-Licher]

I'd probably take advantage of this opportunity to tackle #390 if you're up for it

[Chr1Z93]

I'd probably take advantage of this opportunity to tackle #390 if you're up for it

This might be loosely related, but #390 is a much bigger change, so I'd rather resolve that separately.