🐛 [Bug]: 动作菜单不显示更多按钮时后面有个分隔符

[falcon-jin]

Version

latest

Vue Version

latest

Link to minimal reproduction

动作菜单不显示更多按钮时后面有个分隔符
https://opentiny.design/vue-playground?cmpId=action-menu&fileName=max-show-num.vue&apiMode=Composition&mode=pc&theme=aurora

Step to reproduce

What is expected

No response

What is actually happening

No response

What is your project name

demo

Any additional comments (optional)

No response

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Title: 🐛 [Bug]: When the action menu does not display more buttons, there is a separator behind it