* AuthN: Create password client wrapper and use that on in basic auth
client
* AuthN: fix basic auth client test
* AuthN: Add tests for form authentication
* API: Inject authn service
* Login: If authnService feature flag is enabled use authn login
* Login: Handle token creation errors
* AuthN: Add basic auth client boilerplate
* AuthN: Implement test function for basic auth client
* AuthN: Implement the authentication method for basic auth
* AuthN: Add tests for basic auth authentication
* ContextHandler: perform basic auth authentication through authn service
if feature toggle is enabled
* AuthN: Add providers for sync services and pass required dependencies