When we add safepointing, the source position address might change.
Then, we need to use the handlified version for both concurrent-inlining
and not.

The logic for retrieving the Handle can be encapsulated in the
BytecodeArrayRef, which can be reused in the other source_position_*
methods.

Bug: v8:7790
Change-Id: I3e5f937eb06153449cf6f720a2a4321cb338d903
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2316301Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69076}