Problem/Motivation
List of authentication providers consists of module names, which are defined them. In this case an authentication cannot be configured, because providers with such names aren't exists.
Display configuration through UI.
Exported configuration
Proposed resolution
Correct a computation of the authentication_providers variable for DI container inside of \Drupal\Core\DependencyInjection\Compiler\AuthenticationProviderPass::process() method.
Correct a computation of the options list for configuring the authentication (\Drupal\rest\Plugin\views\display\RestExport::getAuthOptions()).
Remaining tasks
None.
User interface changes
None.
API changes
None.
Data model changes
None.