fix: save function use static

[zombieJ]

antd using ref inner node as popup node which will be reset before each dom render.

ref: ant-design/ant-design#19274

[vercel]

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[codecov]

Codecov Report

Merging #379 into master will increase coverage by 0.07%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #379      +/-   ##
==========================================
+ Coverage   89.98%   90.06%   +0.07%     
==========================================
  Files          16       16              
  Lines         819      936     +117     
  Branches      230      289      +59     
==========================================
+ Hits          737      843     +106     
- Misses         82       93      +11

Impacted Files	Coverage Δ
src/Table.tsx	86.14% <100%> (+1.91%)	⬆️
src/BaseTable.tsx	100% <0%> (ø)	⬆️

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