dialog的mask-closable为true时会报错避免直接改props

[weekitmo]

使用dialog时设置mask-closable为true时会报错避免直接改props，查看源码知道内部dialog.vue使用popup时直接绑定value给v-model

Mand Mobile Version

"mand-mobile": "^2.2.4"

OS Version & Browser Version

macos 10.14.1

Node Version, Package Management Tool

node 11.11.0 npm 6.9.0

Recurring Links

none

Recurring Steps

<md-dialog
      v-model="diaglogVisible"
      :closable="false"
      :mask-closable="true"
      >
 ...
</md-dialog>

Expectant Behaviors

用computed的get和set依赖一下value再绑定到这里

<md-popup
      v-model="value"
...

Actual Behaviors

控制报错：Avoid mutating a prop directly