Almayer Maintenance, Fixes for the USS Almayers recent change(s) (#4701)

# About the pull request

This PR attempts to fix, inconsistencies with floortile detailing, bugs,
and other issues with the USS Almayer


# Explain why it's good for the game

Mostly some things were missed and some detailing consistencies should
be maintained


# 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:SpartanBobby
maptweak: fixes lack of warning stripes under doors in squad briefing
areas and newly added maint doors onboard USS Almayer
maptweak: fixes incorrect tiles used under window frames in new squad
briefing areas onboard USS Almayer
maptweak: fixes pipe sections under window frames in new squad briefing
areas onboard USS Almayer
maptweak: fixes pipes that lead nowhere in new squad briefing areas
onboard USS Almayer
maptweak: fixes button that was being hidden by light due to recent USS
Almayer changes
maptweak: corrects strangely laid out vent sections due to recent USS
Almayer changes
maptweak: makes USS Almayer Bunks consistent with the rest of the ship's
shower and bathrooms
maptweak: updates "Dusty Beret" prop item to now be the RMC Beret it was
originally referencing (now that the RMC are ingame)
/:cl: