rustdoc: fix & clean up handling of cross-crate higher-ranked parameters#116388

bors merged 2 commits into

rust-lang:masterrust-lang/rust:masterfrom

fmease:rustdoc-fix-n-clean-up-x-crate-higher-ranked-paramsfmease/rust:rustdoc-fix-n-clean-up-x-crate-higher-ranked-paramsCopy head branch name to clipboard