fix: 下载检查报告，时间格式化

buhuazhen

2026-06-02 f19813677afaf7b9218a6ed2dee7381a395c3ad5

 src/main/java/com/ruoyi/collaborativeApproval/dto/SealApplicationManagementDTO.java

@@ -8,4 +8,7 @@
    private String createUserName;
    //所属部门
    private String department;

    //审批人姓名
    private String approveUserName;
}