Explosion subsystem (#17499)

* Initial port

* pause air

* decoupled input from processing

* explosion condition tweak

* closer to original recursive code

* accurate explosions

* better defer calls

* glob fix

* fix

* DON'T DO THAT

* initial deferral code

* small explosions ignored

* lower thresholds

* better thresholds again

* forbid powernet defer during init, explosions too

* don't block your own network regen

* use procs

* better thresholds, always defer at least

* admin notice

* subsytem updated

* Allow removal from networks

* defer till rebuild

* dir

* Update breaker_box.dm

* no init means no init

* then flag it...

---------

Co-authored-by: Selis <12716288+ItsSelis@users.noreply.github.com>
Co-authored-by: C.L. <killer65311@gmail.com>
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/multiz/movement.dm

@@ -445,7 +445,7 @@
 	var/turf/oldloc = loc
 
 	// Now lets move there!
-	if(!Move(landing))
+	if(!Move(landing, direct = dir)) //infinite fall fix
 		return 1
 
 	// Detect if we made a silent landing.