Change the return value to fallback while the property
is not one specified in the value.
https://github.com/tc39/proposal-intl-numberformat-v3/pull/92

Bug: v8:13053
Change-Id: I40e430152c71258f1ff85fec1d69928937d0ad99
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3759224
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81795}