tour漫游式引导，target设置为null时mask无法阻止点击

[Roywhite]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

4.2.5

Environment

Windows 10 19045.4780, Microsoft Edge 版本 125.0.2535.92，Vue 3.5.8

Reproduction link

https://next.antdv.com/components/tour-cn

Steps to reproduce

将step的target设置为null后，mask区域仍能触发各种事件，官网的也是这样（关于位置的那个例子）

What is expected?

当target为null时，mask区域不触发事件

What is actually happening?

能触发事件

[Roywhite]

写完其他代码回过头来看这个引导，target不为null的mask也无法阻止点击了，并且目标区域没有高亮

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days

[Roywhite]

请问是什么问题呢？