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/mob_movement.dm

@@ -100,7 +100,8 @@
 		if(mob.throwing)
 			mob.throwing.finalize(FALSE)
 
-	if(L.pulling && !(L.combat_flags & COMBAT_FLAG_COMBAT_ACTIVE))
+	var/atom/movable/AM = L.pulling
+	if(AM && AM.density && !(L.combat_flags & COMBAT_FLAG_COMBAT_ACTIVE) && !ismob(AM))
 		L.setDir(turn(L.dir, 180))
 
 	SEND_SIGNAL(mob, COMSIG_MOB_CLIENT_MOVE, src, direction, n, oldloc)