[NO GBP] Renames mob/camera to mob/eye and makes everything follow suit (#87684)

## 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.

![image](https://github.com/user-attachments/assets/7d1291e1-7a6a-4736-a14b-97834e89846f)
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
/🆑

---------

Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>

code/modules/events/ghost_role/blob.dm

@@ -37,7 +37,7 @@
 	if(isnull(chosen_one))
 		return NOT_ENOUGH_PLAYERS
 	var/mob/dead/observer/new_blob = chosen_one
-	var/mob/camera/blob/BC = new_blob.become_overmind()
+	var/mob/eye/blob/BC = new_blob.become_overmind()
 	spawned_mobs += BC
 	message_admins("[ADMIN_LOOKUPFLW(BC)] has been made into a blob overmind by an event.")
 	BC.log_message("was spawned as a blob overmind by an event.", LOG_GAME)