Restores Old Crate Sprites, Leaves New Render System Intact (Citadel-…

…Station-13#5951)

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## About The Pull Request

1. **Restores Old Crate Sprites.**

## Why It's Good For The Game

1. _The new system is aesthetically displeasing, in my opinion. There
has been some considerable support for reverting to the old sprites.
I've left most of the new system's generative infrastructure in place
because it's still a fine system. I just can't stand the tiny
color-shifted sprites any more._

## Changelog

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:cl:
tweak: Reverts crate icon generation to the old system.
/:cl:

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