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/projectiles/projectile/special/hallucination.dm

@@ -50,7 +50,7 @@
 	if(M == hal_target)
 		to_chat(hal_target, "<span class='userdanger'>[M] is hit by \a [src] in the chest!</span>")
 		hal_apply_effect()
-	else if(M in view(hal_target))
+	else if(M in hal_target.visible_atoms())
 		to_chat(hal_target, "<span class='danger'>[M] is hit by \a [src] in the chest!!</span>")
 	if(damage_type == BRUTE)
 		var/splatter_dir = dir