port monkestation pull request 9706 to fix latest byond errors

fruitbatrequested to merge
fruitbat/ShartyStation13:fix-latest-compile into master

About The Pull Request

Fixes building on BYOND 516.1670+ taken from https://github.com/Monkestation/Monkestation2.0/pull/9706

Changelog

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refactor: rewrote all cases of numbers being used as keys in non-alist associative lists
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