a-select 失焦bug，无法失焦，官网demo即可复现

[coder-virjay]

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

Version

4.2.3

Environment

Chrome/128.0.0.0 vue3.4.21 macOS14.5 (23F79)

Reproduction link

https://www.antdv.com/components/select-cn#components-select-demo-custom-dropdown-menu

Steps to reproduce

请看视频

https://github.com/user-attachments/assets/f52a1dd8-ecbd-4943-9dfa-9292e2e54b6e

What is expected?

正确失焦

What is actually happening?

无法失焦