cant hide animation panel

The side panels can be hidden with the `Interface` menu, but the animation panel at the bottom cannot be hidden, despite being much more niche than the others.

<img width="753" alt="firefox_2024-10-25_16-25-33" src="https://github.com/user-attachments/assets/6549d222-761b-4dfd-af6f-73cad57bf6cb">
