🐛 [Bug]: 表格工具栏被遮挡

[kagol]

Version

latest

Link to minimal reproduction

选择菜单：选择单元格后持续显示
Demo：https://opentiny.github.io/tiny-editor/docs/demo/table-up

Step to reproduce

如上

What is expected

No response

What is actually happening

No response

What is your project name

Wiki

Any additional comments (optional)

No response