nz-modal button和a 的打开动画不一致

[smartsoul]

Reproduction link

https://stackblitz.com/edit/ng-zorro-antd-start-9i4ypj

Steps to reproduce

nz-modal button和a 的打开动画不一致

What is expected?

button和a 的打开动画一致，提供是否启用动画选项。一些重的modal会掉帧。

What is actually happening?

button 的modal 是从按钮处缩放打开，a标签是从浏览器中间缩放打开

Environment	Info
ng-zorro-antd	7.4.1
Browser	Chrome 74.0.3729.169

[ng-zorro-bot]

Translation of this issue:

---

nz-modal button and a open animation of a is inconsistent

Reproduction link

https://stackblitz.com/edit/ng-zorro-antd-start-9i4ypj

Steps to reproduce

Nz-modal button and a open animation of a are inconsistent

What is expected?

The button and a open animations are the same, providing whether to enable the animation option. Some heavy modals will drop frames.

What is actually happening?

The modal of the button is zoomed in from the button, and the a tag is zoomed in from the middle of the browser.

Environment	Info
ng-zorro-antd	7.4.1
Browser	Chrome 74.0.3729.169

[hsuanxyz]

@smartsoul https://ng.ant.design/docs/animations/zh#%E5%9C%A8%E6%9C%8D%E5%8A%A1%E4%B8%AD%E5%85%B3%E9%97%AD

[smartsoul]

@hsuanxyz 谢谢，看到关闭动画的选项了，但是有些场景是需要动画的，在7.2.0的时候，两者的动画是一致的。

[hsuanxyz]

@smartsoul
缺少 href 属性的 a 标签无法聚焦，你可以指定 tabindex 属性 (<a tabindex="-1">...</a>)， 或者等待 #3503 合并后使用 <button nz-button nzType="link">...</button> 代替。

感谢反馈，如果还有什么问题欢迎重新发起 issue。