fix: Preserve should not affect Form.List

[zombieJ]

resolve ant-design/ant-design#26184

[codecov]

Codecov Report

Merging #181 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #181   +/-   ##
=======================================
  Coverage   99.88%   99.89%           
=======================================
  Files          13       13           
  Lines         909      912    +3     
  Branches      203      207    +4     
=======================================
+ Hits          908      911    +3     
  Misses          1        1           

Impacted Files	Coverage Δ
src/Field.tsx	100.00% <100.00%> (ø)
src/useForm.ts	99.70% <100.00%> (ø)

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