Pressing "Undo" in read-only studio does not reset JSON editor

https://github.com/user-attachments/assets/19102d8a-4d7b-4b9c-accf-2a7ad859bf96


Steps to reproduce:

1. Go to `packages/brand`
2. `npx remotion bundle`
3. `npx serve build`
4. Navigate to StepGuide
5. Edit titleLine1
6. Switch to JSON
7. Press undo

This should also undo the changes in JSON