Refactor ChatRepository.chats pagination to watch() changes from drift

[SleepySquash]

Synopsis

Pagination needs a mechanism to receive real-time changes of items from drift provider instead.

Solution

Use watch() to listen to changes in SELECT of chats.

Checklist

• Created PR:
  • In draft mode
  • Name contains issue reference
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• Before review:
  • Documentation is updated (if required)
  • Tests are updated (if required)
  • Changes conform code style
  • CHANGELOG entry is added (if required)
  • FCM (final commit message) is posted or updated
  • Draft mode is removed
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• Before merge:
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[SleepySquash]

FCM

Refactor `ChatRepository.chats` pagination to `watch()` changes from `drift` (#1067)

- add `watchRecent()` and `watchFavorites()` to `ChatDriftProvider`
- refactor `chats` and `favorites` of `ChatRepository` to use `watch()` from `drift`

Additionally:
- add delay to `ResetAppHook` to ensure `drift` has closed its connections
- fix `DriftGraphQlPageProvider` missing dispose of its components