Field of Vision component. (#12075)

* Hopeless WIP for vision cones.

* Core component and hooks done

* Removing clutter.

* linter bashing me for using statements as args.

* Ok.

* continue

* bring back the macro

* Configs and openspace filter.

* Chat plane, reset perspective signal, mechs/vehicles cases, machineries.

* view, viewers and spoopy ghosts.

* Renamed component, admin fun button and snowflakes robots.

* Whoopsie.

* Yikes

* test merge tweak.

* radial yaketi sax.

* Fixed tgui UIs, some messages not displayed to the target.

* Documentation and a little bugfix.

* Pulling QoL, seventh plane made in this PR.

* Fix.

* Tweaks and improvements.

* Update randomverbs.dm

code/modules/mob/dead/observer/observer.dm

@@ -707,7 +707,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 //this is a mob verb instead of atom for performance reasons
 //see /mob/verb/examinate() in mob.dm for more info
 //overridden here and in /mob/living for different point span classes and sanity checks
-/mob/dead/observer/pointed(atom/A as mob|obj|turf in view())
+/mob/dead/observer/pointed(atom/A as mob|obj|turf in visible_atoms())
 	if(!..())
 		return 0
 	usr.visible_message("<span class='deadsay'><b>[src]</b> points to [A].</span>")