Refactors the atmos watertank backpack (#24177)

* Refactors the atmos watertank backpack

* Update code/game/objects/items/weapons/tanks/watertank.dm

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

* Update code/game/objects/items/weapons/tanks/watertank.dm

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

* Adds spans

* Henri review

---------

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

code/game/objects/effects/decals/Cleanable/misc_cleanables.dm

@@ -77,6 +77,11 @@
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "flour"
 
+/obj/effect/decal/cleanable/flour/nanofrost
+	name = "nanofrost residue"
+	desc = "Residue left behind from a nanofrost detonation. Perhaps there was a fire here?"
+	color = "#B2FFFF"
+
 /obj/effect/decal/cleanable/flour/foam
 	name = "Fire fighting foam"
 	desc = "It's foam."

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

@@ -13,14 +13,14 @@
 	var/expand = 1
 	var/metal = 0
 
-/obj/effect/particle_effect/foam/New(loc, ismetal=0)
+/obj/effect/particle_effect/foam/New(loc, ismetal = FALSE)
 	..(loc)
 	icon_state = "[ismetal ? "m":""]foam"
 	if(!ismetal && reagents)
 		color = mix_color_from_reagents(reagents.reagent_list)
 	metal = ismetal
-	playsound(src, 'sound/effects/bubbles2.ogg', 80, 1, -3)
-	spawn(3 + metal*3)
+	playsound(src, 'sound/effects/bubbles2.ogg', 80, TRUE, -3)
+	spawn(3 + metal * 3)
 		process()
 	spawn(120)
 		STOP_PROCESSING(SSobj, src)

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

@@ -171,7 +171,7 @@
 		for(var/obj/item/Item in T)
 			Item.extinguish()
 
-/datum/effect_system/smoke_spread/freezing/set_up(amount = 5, only_cardinals = FALSE, source, desired_direction, blasting = 0)
+/datum/effect_system/smoke_spread/freezing/set_up(amount = 5, only_cardinals = FALSE, source, desired_direction, blasting = FALSE)
 	..()
 	blast = blasting