dynamically search with base nix store path

[vlinkz]

Why

#16 removed nix store paths from dynamic relinking, however some binaries have /nix/store paths paths that don't exists or are malformed. These should still be searched dynamically.

What changed

• Instead of no longer trying to relink libraries set to /nix/store, simply add the base /nix/store/pkg-hash-version/lib path to the list of paths to dynamically check for valid libraries.

Test plan

• Test that running bun while having pkgs.glibc installed doesn't fail
• Test that installing and importing numpy in a python repl works

Rollout

• This is fully backward and forward compatible