modules: fix repl require calling the same file again

This makes sure multiple require calls will not fail in case a file was created after the first attempt.

Fixes: https://github.com/nodejs/node/issues/26926

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• tests and/or benchmarks are included
• documentation is changed or added
• commit message follows commit guidelines