stream: fix Duplex._construct race

Ensures that _construct has finished before invoking _destroy.

The 'constructed' property was not properly set to false for both writable and readable state.

Fixes: https://github.com/nodejs/node/issues/34448

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