fs: fix when path is buffer on fs.symlinkSync

PR-URL: https://github.com/nodejs/node/pull/34540
Fixes: https://github.com/nodejs/node/issues/34514


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Pranshu Srivastava <rexagod@gmail.com>