This moves the list of {BreakPointInfo} objects from {WasmModuleObject}
to the corresponding {Script} object. Breakpoints are expected to affect
all modules/instances for a given script, hence the new placement of the
list is a preparation to fully support per-script breakpoints.

R=clemensb@chromium.org
BUG=v8:6847,chromium:893069

Change-Id: Id97058be5ed79cfdba2cecac5733ba161a6021d5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1852127Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64213}