This includes:
1) Inline UncommintFromSpace into Shrink (always called together)
2) Replace ZapFromSpace with virtual ZapUnusedMemory
3) Replace EnsureFromSpaceIsCommited with virtual Prologue

Bug: v8:12612
Change-Id: I934479761c877e10734f54e6d5896a4741b92ef7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3650738Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80563}