Workaround crbug.com/13261 by converting the maglev CodeT into a Code.

Bug: v8:7700
Bug: v8:13261
Change-Id: I5ef692dea9d7c4eee2c1ca6476f572fc415f5ed0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3872274
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82971}