Menu手动设置selectedKeys为SubMenu时，增加SubMenu高亮效果

[heyingliang]

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• [ ] I'm sure this does not appear in the issue list of the repository

Basic Info

What are the similar cases of this feature

参考 https://github.com/arco-design/arco-design/issues/345

What problem does this feature solve?

非弹出模式不支持selectable