Ports TG lazy-loading of map templates using turf reservations

[Contrabang]

What Does This PR Do

Ports TG lazy-loading of map templates using turf reservations. For now, this just adds one verb Map Template - Lazy Load which will load a template of your choice on a reserved z-level.

How does this system work?

• Use SSmapping.lazy_load_template(template), where template is an instance of a map_template of your choice.
• This will create a turf reservation for that space, and cordon it with black-opaque walls.
• If there is no more space left, it will create a new z-level, and do the reservation there.
• It will then load the map in that space, placing the cordon around the map.

This PR also removes the similar but unused heaped space z-levels.

Why It's Good For The Game

We can have BIGGER CENTRAL COMMAND. And most of all, less fucking shit on Z1. Eventually this system can be expanded to automate shuttle transit.

Images of changes

Testing

See above. A lot of testing.

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Declaration

• I confirm that I either do not require pre-approval for this PR, or I have obtained such approval and have included a screenshot to demonstrate this below.

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Changelog

🆑
NPFC
/:cl: