Registration 'submit' page: cannot be re-submitted

On our 'submit' form we ask for various consents. An attendee that has already submitted their application and wishes to update optional consents currently cannot do so.

<img width="2012" height="789" alt="Image" src="https://github.com/user-attachments/assets/9bf467f9-bc0b-4f77-8986-02b2606d4274" />