Refactor areas on Almayer in upper deck and tweak map a bit to reflec…

…t it. (#5879)

# About the pull request
1-added a new hallway area to upper deck so that we have fore mid aft
hallway.
2-added two new maintenance fore and aft and change placement of mid to
make sense.
3-removed all the emergency shutter that weren't at the borders of each
areas.
4-i added back the bear belt because it was deleted when it was move
finding no real place to fit it in i settled for a closet in alpha/bravo
dormitory
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# Explain why it's good for the game
1,2-make it easier to relocate and for maintenance it's part of a PR
that will come after...
3-to standardize and make it way more clear how they are supposed to
placed,used.
# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>

Put screenshots and videos here with an empty line between the
screenshots and the `<details>` tags.

</details>


# Changelog
:cl:
refactor: refactored areas replaced stern hallway by aft added two new
hallway area(fore, midship)
refactor: refactored areas replaced midship maintenance by for and added
two new maintenance areas(fore, aft) with each starboard and port side.
maptweak: removed all the emergency shutter that weren't at the borders
of each areas.
maptweak: added back the bear belt in a closet in a dormitory.
maptweak: reconnect some air  pipe in an hallway north upper engi.
/:cl:

---------

Co-authored-by: Julien <[email protected]>

code/game/area/almayer.dm

@@ -366,8 +366,12 @@
 	name = "\improper Upper Deck Aft Hallway"
 	icon_state = "aft"
 
-/area/almayer/hallways/upper/stern_hallway
-	name = "\improper Upper Deck Stern Hallway"
+/area/almayer/hallways/upper/fore_hallway
+	name = "\improper Upper Deck Fore Hallway"
+	icon_state = "stern"
+
+/area/almayer/hallways/upper/midship_hallway
+	name = "\improper Upper Deck Midship Hallway"
 	icon_state = "stern"
 
 /area/almayer/hallways/upper/port
@@ -425,6 +429,18 @@
 /area/almayer/maint/upper/u_m_s
 	name = "\improper Upper Deck Starboard-Midship Maintenance"
 
+/area/almayer/maint/upper/u_f_p
+	name = "\improper Upper Deck Port-Fore Maintenance"
+
+/area/almayer/maint/upper/u_f_s
+	name = "\improper Upper Deck Starboard-Fore Maintenance"
+
+/area/almayer/maint/upper/u_a_p
+	name = "\improper Upper Deck Port-Aft Maintenance"
+
+/area/almayer/maint/upper/u_a_s
+	name = "\improper Upper Deck Starboard-Aft Maintenance"
+
 // hull areas
 /area/almayer/maint/hull