NeoHudRoundedBox corner textures shouldn't overlap

When a NeoHudRoundedBox is small enough, the corner textures will overlap, creating a noticeable line. this can be seen on the compass for example at small enough resolutions

<img width="67" height="49" alt="Image" src="https://github.com/user-attachments/assets/a32933b3-1e8a-4a01-ab75-175f4f7df69f" />