fix: OIDC finalization and refactoring

client/src/locales/en/login.js

@@ -11,10 +11,12 @@ export default {
       projectManagement: 'Project management',
       serverConnectionFailed: 'Server connection failed',
       unknownError: 'Unknown error, try again later',
+      useSingleSignOn: 'Use single sign-on',
     },
 
     action: {
       logIn: 'Log in',
+      logInWithSSO: 'Log in with SSO',
     },
   },
 };