a-table expandIcon slot not working

[Yakoot]

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

Version

2.0.0-beta.10

Environment

OS: Manjaro 20.1.1 Mikah, Vivaldi 3.3.2022.47 (Stable channel) (64-bit), vue 3.0

Reproduction link

Steps to reproduce

look at the icon

What is expected?

1

What is actually happening?

plus sign

[github-actions]

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