Rust: Prefer completion.label_details over completion.details (#13797)

In doing so we get to surface origin packages more prominently.

Fixes #13494  (again)

Release Notes:

- Fixed origin packages not being surfaced in Rust completions
8ec478cbcdPiotr Osiewicz committed on 7/3/2024, 10:04:28 PM· committed by GitHubparent6d10b16
1 file changedLine totals unavailable