* First attempt at implementing encrypted history banner and removing old UTDs
* Get the right behavior in the timeline
* Implement the designs
* Extract post-processing logic, add tests
* Add encryption banner to timeline screenshots
* Create FTUE feature to handle welcome screen and analytics
* Move classes to their own packages, add tests for `DefaultFtueState`.
* Remove unnecessary private MutableStateFlow
* Move some FTUE related methods and classes back to the `impl` module
* Handle back press at each FTUE step
* Remove unneeded `TestScope` receiver for `createState` in tests.
* Use light & dark previews for the banner view.
* Move color customization from `TextStyle` to `Text` component.
* Rename `InfoList` design components, use them in `AnalyticsOptInView` too.
* Cleanup MatrixClient.
* Fix copy&paste error
Co-authored-by: Benoit Marty <benoit@matrix.org>
* Fix typo
* Fix Maestro tests
---------
Co-authored-by: ElementBot <benoitm+elementbot@element.io>
Co-authored-by: Benoit Marty <benoit@matrix.org>
