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/login.dm

@@ -55,3 +55,5 @@
 	log_message("Client [key_name(src)] has taken ownership of mob [src]([src.type])", LOG_OWNERSHIP)
 	SEND_SIGNAL(src, COMSIG_MOB_CLIENT_LOGIN, client)
 
+	if(has_field_of_vision && CONFIG_GET(flag/use_field_of_vision))
+		LoadComponent(/datum/component/field_of_vision, field_of_vision_type)