## Why It's Good For The Game
Clarity and consistency regarding DM's systems.
Internally, `eye` is used for anything that controls the client's view.

How `eye` is used in DM is consistent with how we use the term, so I
figured this would add clarity.
Being named mob/camera also makes it unclear exactly what it's doing.
The name implies that it would function similar to how mob/camera/ai_eye
does, but most of the time it's only used as... an eye.
My ulterior reason for this PR is that I want to clean up
mob/camera/ai_eye and it's subtypes after this.
## Changelog
🆑
server: mob/camera has been renamed to mob/eye, which may break
downstreams
/🆑
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Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>