General maintenance for file cabinets

[JohnFulpWillard]

About The Pull Request

This PR brings more modern code standards to filing cabinets as it has bugged me for a while, including balloon alerts.

replaces initial(icon_state) with base_icon_state uses wrench_secondary instead of checking modifiers for right click and attacking with a wrench removes check for ishuman to add someone to the file cabinet, anyone on the manifest should be added to the record list. replaces to-chat with balloon alert, though I removed the one saying 'you inserted [thing] into the cabinet' because it was quite useless, you know what you are adding since it is in your hand, and the icon state changing is enough feedback to the player of the action they did. adds autodoc removes copypaste 'virgin' var, replaced with a populated var on the base file cabinet that they all use. replaces camelCase and single-letter vars removes a sleep

Why It's Good For The Game

General maintenance for yet another pretty old part of the codebase, god rest their soul.

Changelog

:cl: qol: File cabinets now use balloon alerts instead of messages to your chat. /:cl:

[github-actions[bot]]

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