之前处理逻辑只要有更新包就加入一条系统补丁记录导致对应问题，修复后判断有系统应用更新时才新增系统补丁记录

Log: 修复更新列表显示多余系统补丁问题
Bug: https://pms.uniontech.com/zentao/bug-view-35454.html
Change-Id: I473de784dad41a77713b9c95479b08f9087c08a7
Reviewed-on: http://gerrit.uniontech.com/c/dde-control-center/+/5101
Reviewed-by: <mailman@uniontech.com>
Reviewed-by: wangwei <wangwei@uniontech.com>
Reviewed-by: niecheng <niecheng@uniontech.com>
Tested-by: <mailman@uniontech.com>