This PR adds an indicator for edit predictions usage in the edit
predictions menu:

| Free | Zed Pro / Trial |
|
---------------------------------------------------------------------------------------------------------------------------------------------------
|
---------------------------------------------------------------------------------------------------------------------------------------------------
|
| <img width="235" alt="Screenshot 2025-04-18 at 9 53 47 AM"
src="https://github.com/user-attachments/assets/6da001d2-ef9c-49df-86be-03d4c615d45c"
/> | <img width="237" alt="Screenshot 2025-04-18 at 9 54 33 AM"
src="https://github.com/user-attachments/assets/31f5df04-a8e1-43ec-8af7-ebe501516abe"
/> |

Only visible to users on the new billing.

Release Notes:

- N/A