Merge pull request #14120 from duncathan/listmos

[READY] Listmos & "Datum Gases"

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

@@ -163,9 +163,12 @@
 			T.air_update_turf()
 			for(var/obj/effect/hotspot/H in T)
 				qdel(H)
-				if(G.toxins)
-					G.nitrogen += (G.toxins)
-					G.toxins = 0
+				var/list/G_gases = G.gases
+				if(G_gases["plasma"])
+					G.assert_gas("n2")
+					G_gases["n2"][MOLES] += (G_gases["plasma"][MOLES])
+					G_gases["plasma"][MOLES] = 0
+					G.garbage_collect()
 		for(var/obj/machinery/atmospherics/components/unary/U in T)
 			if(!isnull(U.welded) && !U.welded) //must be an unwelded vent pump or vent scrubber.
 				U.welded = 1