pred mask + horn (#8104)

# About the pull request

adds in a new yautja mask and 1 new mask attachment! yippee!!!

Sprites by Thwomper very nice

# Explain why it's good for the game

more customization options are cool, especially more mask attachies

# Testing Photographs and Procedure


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

new mask onmob in the DMI

![image](https://github.com/user-attachments/assets/177fff6e-e6a8-4f1c-9f1f-d8747acaa922)

new attachie onmob in the DMI

![image](https://github.com/user-attachments/assets/53fdf149-3cb6-45dd-b32c-e795828cd755)

mask + attachie bone style ingame

![image](https://github.com/user-attachments/assets/1c9de743-bb73-48f6-b353-fdc1c262e365)

side view

![image](https://github.com/user-attachments/assets/6d6b9bac-8c39-4bfa-b8ae-74230888faee)

</details>


# Changelog

:cl: Nomoresolvalou, Thwomper

imageadd: Added a new predator mask and mask attachment

/:cl:

---------

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

code/__DEFINES/pred.dm

@@ -14,7 +14,7 @@
 #define SD_TYPE_BIG   0
 #define SD_TYPE_SMALL 1
 
-#define PRED_MASK_TYPE_MAX 19
-#define PRED_MASK_ACCESSORY_TYPE_MAX 1
+#define PRED_MASK_TYPE_MAX 20
+#define PRED_MASK_ACCESSORY_TYPE_MAX 2
 #define PRED_ARMOR_TYPE_MAX 8
 #define PRED_GREAVE_TYPE_MAX 4

tgui/packages/tgui/interfaces/PredPicker.tsx

@@ -557,7 +557,7 @@ const PredModal = (props: {
       return (
         <Section
           title="Mask Accessory"
-          width={20}
+          width={30}
           buttons={<Button icon="x" onClick={() => close()} />}
         >
           <Stack>