Bug 264426

Description:
inspector/unit-tests/iterableweakset.html is flaky on  Ventura and Sonoma arm64 since 269641@main was introduced on ToT.

This issue can be bisected to 269641@main using the command: 
run-webkit-tests --exit-after-n-failures 1 --debug inspector/unit-tests/iterableweakset.html

History:
https://results.webkit.org/?suite=layout-tests&test=inspector%2Funit-tests%2Fiterableweakset.html&version_name=Sonoma&version_name=Ventura&architecture=arm64

Diff Log:
7575PASS: Should not contain '{"value": 1}' after `one = null`.
7676PASS: 'has' should return true for '{"value":2}' after `one = null`.
7777PASS: 'has' should return true for '{"value":3}' after `one = null`.
78 [{"value":3}]
 78[{"value":2},{"value":3}]
7979PASS: Should not contain '{"value": 1}' after `two = null`.
80 PASS: Should not contain '{"value": 2}' after `two = null`.
 80FAIL: Should not contain '{"value": 2}' after `two = null`.
8181PASS: 'has' should return true for '{"value":3}' after `two = null`.

Link:
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/270390@main%20(702)/inspector/unit-tests/iterableweakset-pretty-diff.html