[Bug Report] createFormGrid实例shadowRows热更新后值变为NaN

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

Reproduction link

Steps to reproduce

1.第一次初始完成. 2.修改代码热更新生效createFormGrid 实例 shadowRows 热更新后值变为NaN

What is expected?

shadowRows 返回正常的值.

What is actually happening?

shadowRows 返回正常的NaN.

Package

@formily/[email protected]

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