nz-select禁用bug

[xiaoconghu]

注意：不是用 https://ng.ant.design/issue-helper/#/zh 创建的 issue 会被立即关闭。

nz-select在禁用的状态下点击在按下回车，会出现下拉列表，并且其值可以被改变

[ng-zorro-bot]

Hello @xiaoconghu, 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 @xiaoconghu，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！

[ng-zorro-bot]

Translation of this issue:

---

nz-selectDisable bug

Note: Issues that were not created with https://ng.ant.design/issue-helper/#/zh will be closed immediately.

Nz-select clicks in the disabled state, press enter, a drop-down list will appear, and its value can be changed.