Fix NebulaStation disposals (#3849)

## About The Pull Request

Fixes broken disposals pipe at NebulaStation sauna.

## Proof Of Testing

<details>
<summary>Screenshots/Videos</summary>


![image](https://github.com/user-attachments/assets/7bb33003-e5b3-466a-add1-dbcc5e5fa060)

</details>

## Changelog

🆑 LT3
fix: Fixed NebulaStation disposals dumping into the sauna
/🆑

_maps/bubber/automapper/templates/NebulaStation/nebulastation_sauna.dmm

@@ -9,11 +9,16 @@
 /area/station/commons/fitness/recreation/sauna)
 "d" = (
 /obj/structure/cable,
+/obj/structure/disposalpipe/segment,
 /turf/open/floor/wood/tile,
 /area/station/commons/fitness/recreation/sauna)
 "e" = (
 /obj/machinery/atmospherics/pipe/smart/manifold4w/supply/hidden/layer4,
 /obj/machinery/atmospherics/pipe/smart/manifold4w/scrubbers/hidden/layer2,
+/obj/structure/disposalpipe/segment{
+	dir = 4
+	},
+/obj/structure/cable,
 /turf/open/floor/wood/tile,
 /area/station/commons/fitness/recreation/sauna)
 "g" = (
@@ -26,6 +31,9 @@
 /obj/structure/cable,
 /obj/machinery/atmospherics/pipe/smart/manifold4w/scrubbers/hidden/layer2,
 /obj/effect/landmark/navigate_destination/sauna,
+/obj/structure/disposalpipe/segment{
+	dir = 9
+	},
 /turf/open/floor/wood/tile,
 /area/station/commons/fitness/recreation/sauna)
 "j" = (
@@ -72,12 +80,6 @@
 /obj/machinery/door/airlock/public{
 	name = "Sauna"
 	},
-/obj/effect/turf_decal/trimline/neutral/warning{
-	dir = 4
-	},
-/obj/effect/turf_decal/trimline/neutral/warning{
-	dir = 8
-	},
 /obj/structure/disposalpipe/segment{
 	dir = 4
 	},
@@ -297,6 +299,10 @@
 /obj/machinery/atmospherics/components/unary/vent_pump/on/layer4{
 	dir = 8
 	},
+/obj/structure/disposalpipe/segment{
+	dir = 4
+	},
+/obj/structure/cable,
 /turf/open/floor/wood/tile,
 /area/station/commons/fitness/recreation/sauna)
 "W" = (