fix: 公共链接获取用户信息报错

backend/src/main/java/io/dataease/service/dataset/DataSetTableService.java

@@ -405,7 +405,7 @@ public class DataSetTableService {
 
     public DataSetTableDTO getWithPermission(String id, Long user) {
         CurrentUserDto currentUserDto = AuthUtils.getUser();
-        Long userId = user != null ? currentUserDto.getUserId() : user;
+        Long userId = currentUserDto != null ? currentUserDto.getUserId() : user;
 
         DataSetTableRequest dataSetTableRequest = new DataSetTableRequest();
         dataSetTableRequest.setId(id);