* The maintenance crate spawning crate is now a spawner (#80083)
## About The Pull Request
`/obj/structure/closet/crate/maint` was a type of crate that spawned a
completely different crate, and then deleted itself. I have decided to
swap this out for an actual spawning effect.
I have also did some subtypery to remove some duplicate code that
handled randomly opening the spawned closet/crate (through I am not that
satisfied with
`/obj/effect/spawner/random/structure/closet_empty/crate/with_loot` as a
sensible typepath name, I would like to ask for suggestions). I also
removed a loot define, because it was no longer needed as its contents
were used on a single page.
## Why It's Good For The Game
Things that act like spawners should be spawners.
Maybe this fixes the CI issue on northstar where a mousetrap box gets
deleted before it initializes during create and destroy? It was placed
above a spawner that spawned one of these self deleting crates. I am
unsure, I could not replicate this issue during testing.
## Changelog
Nothing player facing.
* The maintenance crate spawning crate is now a spawner
* UpdatePaths
* Update Blueshift.dmm
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Co-authored-by: Profakos <profakos@gmail.com>
Co-authored-by: Giz <13398309+vinylspiders@users.noreply.github.com>