使用电源中按电源按钮时设置项设置后，关闭控制中心再打开查看，设置项未保存

Log: 使用电源中按电源按钮时设置项设置后，关闭控制中心再打开查看，设置项未保存
Bug: https://pms.uniontech.com/zentao/bug-view-41712.html
Change-Id: I30ffa34958edb48c22940c39d9bd41d32f0fc984
Reviewed-on: http://gerrit.uniontech.com/c/dde-control-center/+/1405
Reviewed-by: <mailman@uniontech.com>
Reviewed-by: fanpengcheng <fanpengcheng@uniontech.com>
Tested-by: <mailman@uniontech.com>