Add support for LoadHandlers with the kConstantFromPrototype kind. With
some dependency checks, this becomes a map check and constant load.

Bug: v8:7700
Change-Id: I865eee7be4df9bd0ba56943814f601e3e950ed80
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3675101Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80855}