Omit the nav bar title when it has no use (#5316)
Turns out this is needed for navigation on mobile, but useless on larger
screens.
Closes #5130
<img width="1551" alt="Screenshot 2024-07-22 at 5 47 49 PM"
src="https://github.com/user-attachments/assets/2173549e-e65d-4691-be83-5e3bf0191dd5">
<img width="1551" alt="Screenshot 2024-07-22 at 5 48 02 PM"
src="https://github.com/user-attachments/assets/81012ba8-ce85-4276-8ffa-5c7ef556c389">
<img width="1551" alt="Screenshot 2024-07-22 at 5 48 08 PM"
src="https://github.com/user-attachments/assets/ecf8fcd7-e5d4-45c4-8d46-d09d91a8bbe9">
