Updates placeable flag turret to the UA flag, rather than a generic o…

…range flag. (#5601)

# About the pull request

Swaps out the two tone orange flag for the flag turret with a stylized
UA flag (the animation should be matched as well)


# Explain why it's good for the game

Flavor good! Marines are more likely to be motivated by a UA flag rather
than the generic orange.


# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>


![Capture](https://github.com/cmss13-devs/cmss13/assets/31581761/4d4bfd03-5cc1-436d-afe7-3753279288f1)

</details>

# Changelog
:cl:
imageadd: altered the turret flag to the UA flag, from generic orange
fix: Flag turrets now correct reference the destroyed state
/:cl: