当只有一个端口接入时，“禁用”按钮不显示；当有多个端口接入时，“禁用”按钮展示；当接入多个端口，选择的端口为最后一个未禁用端口时，“禁用”按钮不展示;静音按钮为音量调节区的喇叭按钮，当点击静音按钮时，图标展示为静音；当拖动音量调节键至最小音量时，展示音量为0%

Log: 添加禁用端口判断,及静音相关操作
Bug: https://pms.uniontech.com/zentao/bug-view-42995.html
Change-Id: Ia5675cd8b32480e5b5c6e3cd846ffd79ebc6ccc7
Reviewed-on: http://gerrit.uniontech.com/c/dde-control-center/+/2245
Reviewed-by: wangwei <wangwei@uniontech.com>
Reviewed-by: niecheng <niecheng@uniontech.com>
Reviewed-by: <mailman@uniontech.com>
Tested-by: <mailman@uniontech.com>