This fix makes ObjectLiteral::CalculateEmitStore work correctly.

Bug: v8:11810
Change-Id: I60f3d5cb657f4b2ca574d5224c8f1cb7a8216354
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2917040Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74986}