andv3.2.10 table component folding problem

[staven630]

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Version

3.3.0-beta.2

Environment

3.2.37

Reproduction link

https://ujlhb9.csb.app/

Steps to reproduce

问题

• Table折叠图标默认在每行的第一列
• 添加自定义序号，折叠图标也在该列显得突兀

期望

• 能自定义Table折叠图标添加在指定的column列

What is expected?

折叠图标的位置能够指定到某个column中

What is actually happening?

table组件含有children，折叠图标默认在第一列，如果再添加自定义序号，折叠图标就在自定义序号这一列内了，显得各位突兀。能否支持折叠图标展示在指定column列中。