Popover的定位元素在显示过程中被销毁，popover未销毁

[wimastop]

Popover的定位元素在显示过程中被销毁，popover未销毁且报错如下：

CodeLeakComponent.html:52 ERROR Error: ViewDestroyedError: Attempt to use a destroyed view: detectChanges
    at viewDestroyedError (core.js:19640)
    at Object.debugUpdateDirectives [as updateDirectives] (core.js:30039)
    at checkAndUpdateView (core.js:29438)
    at callWithDebugContext (core.js:30308)
    at Object.debugCheckAndUpdateView [as checkAndUpdateView] (core.js:30010)
    at ViewRef_.push../node_modules/@angular/core/fesm5/core.js.ViewRef_.detectChanges (core.js:20685)
    at NzPopoverComponent.push../node_modules/ng-zorro-antd/fesm5/ng-zorro-antd-tooltip.js.NzTooltipBaseComponent.show (ng-zorro-antd-tooltip.js:75)
    at NzPopoverDirective.push../node_modules/ng-zorro-antd/fesm5/ng-zorro-antd-tooltip.js.NzTooltipBaseDirective.show (ng-zorro-antd-tooltip.js:614)
    at ng-zorro-antd-tooltip.js:839
    at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:423)

[zorro-bot]

Hello @sishenwuda, your issue has been closed because it does not conform to our issue requirements.
Please use the Issue Helper to create an issue, thank you!

你好 @sishenwuda，为了能够进行高效沟通，我们对 issue 有一定的格式要求，你的 issue 因为不符合要求而被自动关闭。
你可以通过 issue 助手 来创建 issue 以方便我们定位错误。谢谢配合！

[zorro-bot]

Translation of this issue:

Popover positioning element is destroyed during display, popover undestroyed

Popover positioning element is destroyed during display, popover undestroyed and given as follows:
CodeLeakComponent.html: 52 ERROR Error: ViewDestroyedError: Attempt to use a destroyed view: detectChanges
    at viewDestroyedError (core.js: 19640)
    at Object.debugUpdateDirectives [as updateDirectives] (core.js: 30039)
    at checkAndUpdateView (core.js: 29438)
    at callWithDebugContext (core.js: 30308)
    at Object.debugCheckAndUpdateView [as checkAndUpdateView] (core.js: 30010)
    at ViewRef_.push ../ node_modules/@angular/core/fesm5/core.js.ViewRef_.detectChanges (core.js: 20685)
    at NzPopoverComponent.push ../ node_modules / ng-zorro-antd / fesm5 / ng-zorro-antd-tooltip.js.NzTooltipBaseComponent.show (ng-zorro-antd-tooltip.js: 75)
    at NzPopoverDirective.push ../ node_modules / ng-zorro-antd / fesm5 / ng-zorro-antd-tooltip.js.NzTooltipBaseDirective.show (ng-zorro-antd-tooltip.js: 614)
    at ng-zorro-antd-tooltip.js: 839
    at ZoneDelegate.push ../ node_modules / zone.js / dist / zone.js.ZoneDelegate.invokeTask (zone.js: 423)
! [Image] (https://user-images.githubusercontent.com/1542701/67089427-1a6c9900-f1da-11e9-9ec3-814ebee36948.png)

! [Image] (https://user-images.githubusercontent.com/1542701/67089336-eabd9100-f1d9-11e9-99b3-0789aa7e5bef.png)