Chat button overlays over "Post" button

Since the post button gets moved to the bottom right instead of being in the left sidebar, the chat button (and grok button if not disabled) are overlaying the post button.

<img width="273" height="180" alt="Image" src="https://github.com/user-attachments/assets/9f811c4c-355a-4321-b2b3-c16d7dd760c2" />