When migrating code objects, we also need to record typed slots in the
old-to-shared remembered set.

In addition this CL also removes handling of typed slots and code
pointers because both they only occur in the old generation.

Bug: v8:11708, v8:13265
Change-Id: I2f05f79f1a24ab0d36dc54c5e450207496a15cfd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3876822Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83014}