Readds BZ Cannisters for Xenobiology (#37481)

* update BoxStation.dmm

Adds BZ to Xeno

* Update DeltaStation2.dmm

adds BZ to Xeno

* Update MetaStation.dmm

Updates Meta's Xeno with BZ

* Update PubbyStation.dmm

Adds BZ to Pubby's Xeno

_maps/map_files/BoxStation/BoxStation.dmm

@@ -37174,11 +37174,10 @@
 /turf/open/floor/plasteel/white,
 /area/science/xenobiology)
 "bPE" = (
-/obj/structure/table/reinforced,
-/obj/item/slime_scanner,
 /obj/effect/turf_decal/stripes/line{
 	dir = 9
 	},
+/obj/machinery/portable_atmospherics/canister/bz,
 /turf/open/floor/plasteel,
 /area/science/xenobiology)
 "bPF" = (
@@ -37220,6 +37219,7 @@
 	dir = 1
 	},
 /obj/structure/table/reinforced,
+/obj/item/slime_scanner,
 /obj/item/clothing/gloves/color/latex,
 /obj/item/clothing/glasses/science,
 /turf/open/floor/plasteel,

_maps/map_files/Deltastation/DeltaStation2.dmm

@@ -74002,6 +74002,7 @@
 	pixel_y = -32
 	},
 /obj/effect/turf_decal/bot,
+/obj/machinery/portable_atmospherics/canister/bz,
 /turf/open/floor/plasteel,
 /area/science/xenobiology)
 "dcf" = (

_maps/map_files/MetaStation/MetaStation.dmm

@@ -72558,7 +72558,6 @@
 /turf/open/floor/plating,
 /area/maintenance/department/science/xenobiology)
 "ddf" = (
-/obj/machinery/portable_atmospherics/canister,
 /obj/machinery/atmospherics/components/unary/portables_connector/visible{
 	dir = 4
 	},
@@ -72570,6 +72569,7 @@
 /obj/effect/turf_decal/stripes/line{
 	dir = 4
 	},
+/obj/machinery/portable_atmospherics/canister/bz,
 /turf/open/floor/plasteel,
 /area/science/xenobiology)
 "ddg" = (

_maps/map_files/PubbyStation/PubbyStation.dmm

@@ -27783,6 +27783,7 @@
 	dir = 4
 	},
 /obj/effect/turf_decal/stripes/line,
+/obj/machinery/portable_atmospherics/canister/bz,
 /turf/open/floor/plasteel,
 /area/science/xenobiology)
 "brY" = (