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/datums/chatmessage.dm

@@ -129,7 +129,7 @@
 
 	// Build message image
 	message = image(loc = message_loc, layer = CHAT_LAYER)
-	message.plane = GAME_PLANE
+	message.plane = CHAT_PLANE
 	message.appearance_flags = APPEARANCE_UI_IGNORE_ALPHA | KEEP_APART
 	message.alpha = 0
 	message.pixel_y = owner.bound_height * 0.95