Add prisoner latejoin cryopod

[DebugOk]

About the PR

A special cryopod that only allows prisoners to pop out of it.

Why / Balance

Why not, if Velcro wants the prison to have a cryopod we might aswell

Technical details

Alters the containerspawn code even more to ensure that when the preferred spawnpoint is overwritten to job it'll prioritize cryopods that have the same job, while still ignoring any that don't meet those exact requirements.

IMPORTANT

This doesn't mean you can skip mapping prisoner latejoin spots. If you do, its very likely they'll spawn at the latejoin spawnpoints if all cryopods are in use.

ContainerSpawnSystem will only spawn someone in a cryopod if there isn't someone inside it already.

Breaking changes

Hopefully doesnt break shit, but I have no idea what I'm doing so who knows

Changelog

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• tweak: Prisoners can now spawn from a special cryopod that can be put in security, instead of magically appearing in a cell.