* unified scaffold background color
* unified components elevation
* use filled tonal icon buttons
* aligned slider colors with guidelines
* removed unused `CloseButton`
* migrated to outlined icons
* moved timer list tile to the top of the section
* updated goldens
* migrated to the latest material utils
* reaplced `SchemeTonalSpot` with `SchemeRainbow`
* fixed ruler slider ticks color
* update goldens
* fixed tests
* fixed scheme mapping and returned to `SchemeTonalSpot`
* setup golden toolkit
* implemented `GoldenTestApplicationMock`
* added devices with dark theme
* implemented MeteringScreen golden test
* moved platform channel logic to app mock
* implemented SettingsScreen golden test
* gitignore golden tests failures
* Create dart_test.yaml
* adjusted `RulerSlider` ticks height
* set master screenshots
* run golden tests on ci
* fixed `LightSensorService` tests
* removed golden workflow call from PR check
* Update pr_check.yml