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/game/objects/items/flamethrower.dm

@@ -196,9 +196,8 @@
 		sleep(1)
 		previousturf = T
 	operating = FALSE
-	for(var/mob/M in viewers(1, loc))
-		if((M.client && M.machine == src))
-			attack_self(M)
+	if(usr.machine == src)
+		attack_self(usr)
 
 
 /obj/item/flamethrower/proc/default_ignite(turf/target, release_amount = 0.05)