All objects allocated during Isolate initialization are long living and
should be allocated in old space.

Bug: v8:12612
Change-Id: I394cbaa2ba45750b98bfa219afa0c538552de9c7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3785148Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82006}