Fixes Mapped Directional Sprites, Adds Pet, General Mapping Bug Fixes

[Captain277]

About The Pull Request

1. Fixes Directional Sprites for Cameras, Vendors, and Fire Alarms.
2. Adds Dexter, the Xenobio Pet.
3. Adds Carbon Table Presets.

Why It's Good For The Game

1. These off-direction sprites have been driving me crazy..
2. This cute little guy got spawned from a gold slime just today, and everyone loved him so much I decided to make him a permanent pet for Xenobio.
3. Adds carbon table presets because I like the black on white look.

Changelog

🆑
fix: Fixes mislaid directional sprites.
add: Adds Dexter, a pet for Xenobio.
add: Adds carbon table presets.
/:cl:

[FreeStylaLT]

These changes make the main central department entrance to science like this, in effect, due to the solid objects (tables and jukebox) surrounding it:

This is pretty bad for most purposes alone, like passing by one another, but gets really bad when anything solid is involved, like a crate. I suggest changing the layout as to not keep solid objects right next to the entrance.