feat(helper): 添加根据用户ID查询员工ID的方法

- 在SWCHelper类中新增queryEmployeeIdByUserId静态方法
- 方法通过HRBaseServiceHelper查询员工与用户关联关系
- 支持按用户ID过滤并返回对应的员工ID
- 添加了方法注释说明用途和参数
- 实现了按创建时间倒序查询最新记录的逻辑

code/base/nckd-jxccl-base-helper/src/main/java/nckd/jxccl/base/swc/helper/SWCHelper.java

@@ -145,6 +145,11 @@ public class SWCHelper {
     }
 
 
+    /**
+     * 根据用户ID查询员工ID
+     * @param userId
+     * @return
+     */
     public static Long queryEmployeeIdByUserId(Long userId) {
         HRBaseServiceHelper SERVICE_HELPER = new HRBaseServiceHelper("hrpi_personuserrel");
         DynamicObject personuserrel = SERVICE_HELPER.queryOne("employee,user,createtime", new QFilter[]{new QFilter("user", "=", userId), new QFilter("enable", "=", "1")}, "createtime desc");