Engineering & Atmos rework for Catwalk map [C.A.T] (#92830)

## About The Pull Request

**Ready for review, images below were WIP images, for final comparison
please see map diff bot or video**

https://youtu.be/rk-87JqzLe4


<img width="1616" height="1168" alt="image"
src="https://github.com/user-attachments/assets/5e564dfc-0f0f-48b1-ba25-47f10bc34666"
/>
<img width="1466" height="1166" alt="image"
src="https://github.com/user-attachments/assets/fce0b644-ed34-4ea3-ac67-3ce7c861f359"
/>
<img width="1011" height="904" alt="image"
src="https://github.com/user-attachments/assets/8ac9dbf2-bad4-42c6-a5fe-6550074e9abf"
/>
<img width="1501" height="1175" alt="image"
src="https://github.com/user-attachments/assets/23503a1d-d4c4-42be-95d3-f2988bb73c8a"
/>
<img width="1538" height="1219" alt="image"
src="https://github.com/user-attachments/assets/07e13e32-3b34-48e1-8862-17ec7c9bcd70"
/>
<img width="1417" height="942" alt="image"
src="https://github.com/user-attachments/assets/765af815-cda4-4485-a925-cb04591cdf29"
/>
<img width="1469" height="1236" alt="image"
src="https://github.com/user-attachments/assets/881e69dc-ef49-4fcd-a811-d1d604650fde"
/>
## Why It's Good For The Game

- Catwalk engineering & atmos has often been the weakest part of the
map, this overhaul helps solve some of the biggest gripes players have
with it.
- Should help with player population not dropping like a stone when it
rolls
## Changelog
🆑
map: Catwalk - Atmos and Engineering split, new access hallway, new
stairs to AI sat, HFR re-located, space for passion projects, new
lighting, So many changes to document. [C.A.T]
/🆑

code/modules/atmospherics/machinery/components/binary_devices/pump.dm

@@ -128,6 +128,10 @@
 	piping_layer = 4
 	icon_state= "pump_on_map-4"
 
+/obj/machinery/atmospherics/components/binary/pump/on/layer5
+	piping_layer = 5
+	icon_state = "pump_on_map-5"
+
 /obj/item/circuit_component/atmos_pump
 	display_name = "Atmospheric Binary Pump"
 	desc = "The interface for communicating with a pump."