fix: RangePicker should reorder when start is after end

[zombieJ]

fix ant-design/ant-design#21900

[vercel]

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[codecov]

Codecov Report

Merging #31 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master     #31      +/-   ##
=========================================
+ Coverage    99.2%   99.2%   +<.01%     
=========================================
  Files          39      39              
  Lines        1756    1757       +1     
  Branches      533     529       -4     
=========================================
+ Hits         1742    1743       +1     
  Misses          9       9              
  Partials        5       5

Impacted Files	Coverage Δ
src/RangePicker.tsx	100% <100%> (ø)	⬆️

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