fix: preserve should back to initialValues

[zombieJ]

resolve ant-design/ant-design#26433

发个 minor 版本

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[codecov]

Codecov Report

Merging #255 (eebd75e) into master (0a3beac) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #255   +/-   ##
=======================================
  Coverage   99.89%   99.89%           
=======================================
  Files          13       13           
  Lines         954      960    +6     
  Branches      208      211    +3     
=======================================
+ Hits          953      959    +6     
  Misses          1        1           

Impacted Files	Coverage Δ
src/Field.tsx	100.00% <100.00%> (ø)
src/useForm.ts	99.73% <100.00%> (+<0.01%)	⬆️

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