This CL extends SimplifiedLoweringVerifier by a few additional operators.

It fixes the missing type on a LoadElement node generated during
js-typed-lowering, that was detected by the verifier.

Bug: v8:12619
Change-Id: I14e3ece15f6a90e6906c140696dcd2e6b74a2527
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3557510Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80014}