Yautja necklace (cmss13-devs#7534)

# About the pull request

Adds in accessory icon states for left hand and right hand.

# Explain why it's good for the game

more yautja drip is cool i think ^_^

# Testing Photographs and Procedure




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


![yaw](https://github.com/user-attachments/assets/1924cbe8-8055-4b63-8d10-e17b80081018)

![yaw2](https://github.com/user-attachments/assets/8ae1754c-c206-4256-86ec-933c94782ee3)


</details>


# Changelog

:cl:
imageadd: Adds icon states for l_hand and r_hand for yautja accessories.
/:cl: