fix(hrm): 修复部门负责人配置功能，优化部门关联逻辑

1. 修复员工部门ID优先使用自定义字段而非用户绑定部门的逻辑
2. 新增部门负责人弹窗配置功能，支持直接编辑部门负责人、联系方式
3. 调整部门关联查询的JOIN条件，使用COALESCE正确获取部门ID
4. 为无负责人的部门标签添加点击阻止冒泡，避免触发树节点展开

fad-hrm/src/main/resources/mapper/HrmEmployeeMapper.xml

@@ -51,13 +51,15 @@
     <sql id="selectVo">
         SELECT
             e.emp_id, e.user_id, e.emp_no, e.emp_name, e.gender, e.mobile, e.email, e.id_no,
-            e.hire_date, e.employment_type, e.status, su.dept_id, e.post_id, e.remark,
+            e.hire_date, e.employment_type, e.status,
+            COALESCE(e.dept_id, su.dept_id) AS dept_id,
+            e.post_id, e.remark,
             e.create_by, e.create_time, e.update_by, e.update_time,
             d.dept_name,
             p.post_name
         FROM hrm_employee e
-        left join sys_user su on su.user_id = e.user_id
-        LEFT JOIN sys_dept d ON su.dept_id = d.dept_id AND d.del_flag = 0
+        LEFT JOIN sys_user su ON su.user_id = e.user_id
+        LEFT JOIN sys_dept d ON d.dept_id = COALESCE(e.dept_id, su.dept_id) AND d.del_flag = 0
         LEFT JOIN sys_post p ON e.post_id = p.post_id
         WHERE e.del_flag = 0
     </sql>