inline_completion_button: Show the initial usage data from the server (#29952)

This PR updates the usage indicator for edit predictions to show the
initial usage data returned from the server.

Release Notes:

- N/A
b6c7df8183Marshall Bowers committed on 5/5/2025, 9:39:49 PM· committed by GitHubparent1aa92d9
3 files changedLine totals unavailable