控制中心和dock设置蓝牙电源开关时，判断设置的power值和AdapterPropertiesChanged中的power值相同时才设置power状态，设置的power值和AdapterPropertiesChanged中的power值不相同时设置转圈

Log: 多次点击蓝牙开关，高概率出现开关开启了，蓝牙模块未加载出来
Bug: https://pms.uniontech.com/zentao/bug-view-41922.html
     https://pms.uniontech.com/zentao/bug-view-41743.html
Change-Id: I81f0d245c5f2650521e4ab859e64258560d4e828
Reviewed-on: http://gerrit.uniontech.com/c/dde-control-center/+/1439
Reviewed-by: <mailman@uniontech.com>
Reviewed-by: fanpengcheng <fanpengcheng@uniontech.com>
Tested-by: <mailman@uniontech.com>