fixed DatePicker will reopen when click non input area

[Akashdeep98]

This is fix for issue mentioned here:
ant-design/ant-design#30810

[vercel]

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🔍 Inspect: https://vercel.com/react-component/picker/7fjkrfRz8esjQHdidZAwu8xyNA3M
✅ Preview: https://picker-git-fork-akashdeep98-master-react-component.vercel.app

[codecov]

Codecov Report

Merging #269 (9f19eab) into master (7f384dd) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #269   +/-   ##
=======================================
  Coverage   99.52%   99.52%           
=======================================
  Files          45       45           
  Lines        2113     2113           
  Branches      614      622    +8     
=======================================
  Hits         2103     2103           
  Misses          8        8           
  Partials        2        2           

Impacted Files	Coverage Δ
src/RangePicker.tsx	100.00% <100.00%> (ø)

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