Increase OAuth periodic check interval (Api currently receives 'slow down' from OAuth servers)

src/videoag/authentication/ViewPermissions.tsx

@@ -160,7 +160,7 @@ function PasswordAuthComponent({ course, lecture }: { course: course; lecture: l
     );
 }
 
-const _OAUTH_FINISH_PERIODIC_CHECK_INTERVAL_SECONDS = 3;
+const _OAUTH_FINISH_PERIODIC_CHECK_INTERVAL_SECONDS = 5;
 const _OAUTH_FINISH_PERIODIC_CHECK_MAX_ATTEMPTS = Math.ceil(
     30 / _OAUTH_FINISH_PERIODIC_CHECK_INTERVAL_SECONDS,
 );