fix: 修复 Auditor 意外使用了登录检查的问题

basic-auth/src/main/java/com/yiring/auth/config/InjectAuditorAware.java

@@ -26,8 +26,8 @@ public class InjectAuditorAware implements AuditorAware<String> {
 
     @Override
     public @NonNull Optional<String> getCurrentAuditor() {
+        if (StpUtil.isLogin()) {
             String loginId = StpUtil.getLoginIdAsString();
-        if (loginId != null) {
             Optional<User> optional = userRepository.findById(loginId);
             if (optional.isPresent()) {
                 return Optional.of(optional.get().getId());