TreeSelect中 开启虚拟滚动之后（nzVirtualHeight ），如果item太宽 会显示不全，（不会再出现横向滚动条）

[takakisann]

Reproduction link

https://stackblitz.com/edit/gwd6ww4k?file=src%2Fapp%2Fapp.component.ts

Steps to reproduce

模拟NzTreeNodeOptions中每一项的title很长的情况

What is expected?

和不使用虚拟滚动（nzVirtualHeight ）一样，出现横向滚动条，可以显示完全部的title

What is actually happening?

没有出现横向滚动条，title显示不全

Environment	Info
ng-zorro-antd	19.1.0
Browser	谷歌

[zorro-bot]

Translation of this issue:

After turning on virtual scrolling in TreeSelect (nzVirtualHeight), if the item is too wide, it will be incomplete (the horizontal scroll bar will not appear again)

Reproduction link

https://stackblitz.com/edit/gwd6ww4k?file=src%2Fapp%2Fapp.component.ts

Steps to reproduce

Simulate the situation where the title of each item in NzTreeNodeOptions is very long

What is expected?

Like not using virtual scrolling (nzVirtualHeight), a horizontal scroll bar appears, which can display the complete title.

What is actually happening?

There is no horizontal scroll bar, the title is incomplete

Environment	Info
ng-zorro-antd	19.1.0
Browser	Google