onboarding: Show indication that settings have already been imported (#35615)

Co-Authored-By: Danilo <danilo@zed.dev>
Co-Authored-By: Anthony <anthony@zed.dev>

Release Notes:

- N/A
06226e1cbdBen Kunkle committed on 8/5/2025, 12:01:53 AM· committed by GitHubparente1d0e3f
5 files changedLine totals unavailable