Treat packed sealed, frozen element as packed element.
Also rename to IsPackedFrozenOrSealedElementsKind.

Bug: chromium:951988
Change-Id: Ia636f0a14a229e4c44772627728927db1b877f27
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1565470Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#60831}