Change Menu focus behaviour on web

**Is your feature request related to a problem? Please describe.**
Currently, when the menu closes, it removes focus from the currently focused element. This is problematic in scenarios where selecting an option should close the menu and allow the user to continue interacting with a text field — for example, one they were editing before opening the menu, or one displayed in a dialog window.

**Describe the solution you'd like**
Remove the blur behavior, or provide a way to customize it, e.g., via a component prop.

**Describe alternatives you've considered**
The only workaround I’ve found is to introduce a delay before manually calling .focus() after the menu closes, but this feels like a hack.

检查此 issue 中描述的 web Menu 焦点处理，首先从菜单关闭时移除焦点的实现开始。确认文本字段和对话框的预期行为，然后验证焦点是否得以保留或可配置，同时不破坏菜单关闭行为。

由索引模型根据 Issue 内容生成。