在modal弹框没有指定父级时同时添加了scoped，可以通过/deep/能修改modal的样式。

[minibao]

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

Version

1.6.4

Environment

cli-4

Reproduction link

https://github.com/minibao/Bugs/blob/master/demo.less

Steps to reproduce

引用了less时，通过/deep/.ant-modal 能修改modal自身的样式和下面的样式

What is expected?

修改的方式应该只能挂载到对应该的标签下，才能去修改。

What is actually happening?

仅仅通过/deep/.ant-modal 就能修改它的样式和下面所有的样式，并且modal的层级关系还不在（vue，id=app）下面

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[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.