This makes it hopefully easier to add new operations and fixes
the current bug where we add new nodes (box/unbox/smitag/smiuntag)
that is not being used since the operation does not support a fast path.

Bug: v8:7700
Change-Id: I7ce33e44a4f8e63f42541a615fa72aa6e1b5cccc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3605819Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80211}