modules/atmospherics major cleanup (#61904)

major cleanup of modules/atmospherics folder and all related files, still many missing
-cleanup of procs name
-cleanup of vars name
-documentation of some of the procs
-minor changes to some for() logic (no in game changes just early continue or as anything checks)

No in game changes, only code and docs

code/game/objects/effects/effect_system/effects_foam.dm

@@ -274,7 +274,7 @@
 	desc = "A lightweight foamed metal wall."
 	gender = PLURAL
 	max_integrity = 20
-	CanAtmosPass = ATMOS_PASS_DENSITY
+	can_atmos_pass = ATMOS_PASS_DENSITY
 
 /obj/structure/foamedmetal/Initialize(mapload)
 	. = ..()

code/game/objects/effects/effect_system/effects_smoke.dm

@@ -76,7 +76,7 @@
 	if(!t_loc)
 		return
 	var/list/newsmokes = list()
-	for(var/turf/T in t_loc.GetAtmosAdjacentTurfs())
+	for(var/turf/T in t_loc.get_atmos_adjacent_turfs())
 		var/obj/effect/particle_effect/smoke/foundsmoke = locate() in T //Don't spread smoke where there's already smoke!
 		if(foundsmoke)
 			continue