Before this change, a relative path like `--manifest-path=./Cargo.toml` would fail to find a matching package in the cargo metadata. With this change, both the argument and the cargo metadata path are canonicalized before comparison.
Before this change, a relative path like `--manifest-path=./Cargo.toml` would fail to find a matching package in the cargo metadata. With this change, both the argument and the cargo metadata path are canonicalized before comparison.