templates/layout: Fallback to django auth when keycloak is not used
This restores the login link to use basic django authentication when Keycloak is not used, for instance in the docker environment.
Migrated from D5223 (view on Phabricator)
This restores the login link to use basic django authentication when Keycloak is not used, for instance in the docker environment.
Migrated from D5223 (view on Phabricator)