Merge changes from topic "caitlinshk-chip-screenshot" into main

* changes:
  [SB][Notif] Reduce log spam by adding `distinctUntilChanged`.
  [SB][Notif] Stable-sort notif chips by first appearance time.
  [SB][Notif] Update SBNotificationChipsInteractorTest to use Kosmos more.
  [SB][Notif] Remove demo commands for notification chips.
  [SB][Notif] Add margin_start dimen for ongoing activity chips.