Enable `clippy::useless_conversion` (#8724)

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

Release Notes:

- N/A
4b81b15cadMarshall Bowers committed on 3/2/2024, 9:31:47 PM· committed by GitHubparent87efb75
21 files changedLine totals unavailable