[CSA] Eliminate write barriers for young generation large objects in CodeStubAssembler::ExtractToFixedArray.

Bug: v8:8945
Change-Id: Ib86ed35de107d5e658dbeaaca68d9a1cb8b0f309
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1515754
Commit-Queue: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60215}