Enable `clippy::unnecessary_find_map` (#8740)

This PR enables the
[`clippy::unnecessary_find_map`](https://rust-lang.github.io/rust-clippy/master/index.html#/unnecessary_find_map)
rule and fixes the outstanding violations.

Release Notes:

- N/A
3e287911c3Marshall Bowers committed on 3/3/2024, 1:39:03 AM· committed by GitHubparent503beba
2 files changedLine totals unavailable