gh-88233: zipfile: handle extras after a zip64 extra (GH-96161)

Previously, any data _after_ the zip64 extra would be removed.

With many new tests.

Fixes GH-88233
(cherry picked from commit 59e86caca812fc993c5eb7dc8ccd1508ffccba86)

Co-authored-by: Tim Hatch <tim@timhatch.com>
Automerge-Triggered-By: GH:jaraco