[Rws][Parity] Rws Desktop <> Mobile parity

Filter option for `related:xyz.abc` added. Information regarding RWS added to the `WebsiteRowPreference` object.

Screenshot: https://screenshot.googleplex.com/9XR7F53o96jLRw2
(Site accessed via Page Info - no changes to the UI there. Automated use of the "related:xyz.abc" filter)

Bug: 328268799
Bug: 328267830
Bug: 328267841

Change-Id: If73bf6029086a967a67837e0a153de92158f591b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5387233


Reviewed-by: Andrey Zaytsev <andzaytsev@google.com>
Reviewed-by: Nicola Tommasi <tommasin@chromium.org>
Auto-Submit: Matt Dembski <dembski@google.com>
Commit-Queue: Matt Dembski <dembski@google.com>
Cr-Commit-Position: refs/heads/main@{#1282130}