🐛 [Bug]: tree-menu底部折叠后不显示图标

[rongxingsun]

Version

3.25.0

Vue Version

3.4.27

Link to minimal reproduction

https://opentiny.design/vue-playground?cmpId=tree-menu&fileName=show-expand.vue&apiMode=Composition&mode=pc&theme=os

Step to reproduce

What is expected

No response

What is actually happening

No response

What is your project name

tinyvue官网示例

Any additional comments (optional)

No response

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Title: 🐛 [Bug]: The icon does not appear after the bottom of tree-menu is folded