Removes the ServiceLocator singleton and instead directly injects the dependencies it was holding for more control over instantiation of the various component subtrees and better visibility over how they're being used.
* migrated a lot of unit tests to Swift Testing and added a new implementation for deferred fulfillment
more tests migration
Cleaned the code manually to establish some good patterns
more code improvements
some more code improvements
removed empty tests
update project
* more pr suggestions and cleanups
* removed the TestSetup pattern
* fixing claude not reusing tests
* pr suggestion + added indent rule to swiftformat so that we can prevent AIs to change that
* Merge the AuthenticationServer with the QRCodeLoginService.
* Merge AuthenticationClientBuilderFactory and AuthenticationClientBuilder into AuthenticationClientFactory
The separation is no longer needed now that password/OIDC login and QR code login have a similar API shape.
* Add some tests for DeferredFulfillment with Observation.
* Use StateStoreViewModelV2 in AuthenticationStartScreen.
* Use StateStoreViewModelV2 in ServerConfirmationScreen.
* Use StateStoreViewModelV2 in ServerSelectionScreen.
* Use StateStoreViewModelV2 in SoftLogoutScreen.
* Use StateStoreViewModelV2 in SettingsScreen.
* Use StateStoreViewModelV2 in DeveloperOptionsScreen.
* Use StateStoreViewModelV2 in AdvancedSettingsScreen.