体验问题，Menu组件导致整个布局抖动

[DemonCloud]

https://ng.ant.design/#/components/menu

只展开当前父级菜单
控制菜单开合，点击菜单，收起其他展开的所有菜单，保持菜单聚焦简洁。

Menu的 toggle会抖动.

[maroon1]

PR #330 通过为子菜单的开合添加高度过渡效果，已经可以在子菜单间平滑过渡了

[lock]

This thread has been automatically locked because it has not had recent activity. Please open a new issue for related bugs and link to relevant comments in this thread.