控制中心添加声音设备item时重设端口,导致声音被重置,

Log: 修复控制中心和任务栏不同步问题
Bug: https://pms.uniontech.com/zentao/bug-view-41273.html
Change-Id: I85d2dd9340686c8e4afb7681476a8b20e6f3e3cb
Reviewed-on: http://gerrit.uniontech.com/c/dde-control-center/+/1499
Reviewed-by: fanpengcheng <fanpengcheng@uniontech.com>
Tested-by: fanpengcheng <fanpengcheng@uniontech.com>