The isolate root pointer in a WasmApiFuncionRef cannot be sandboxed,
because we would need the isolate root in the first place to decode it.
Therefore we do not use Foreign as the parent class of
WasmApiFunctionRef.

Bug: v8:11510
Change-Id: Idcbe654274c543ee571a335cb8e212ca3492d973
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3262134
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77751}