fix openToDate causes month shifting (#3779)

[yuki0410-dev]

fix openToDate causes month shifting (#3779)

note:
When you select the same(startDate) date, props.monthSelectedIn is updated, but state.date is not updated(in Calendar Component.

[codecov]

Codecov Report

Merging #3799 (a07519f) into master (3070e4a) will increase coverage by 0.05%.
The diff coverage is n/a.

❗ Current head a07519f differs from pull request most recent head 321084a. Consider uploading reports for the commit 321084a to get more accurate results

@@            Coverage Diff             @@
##           master    #3799      +/-   ##
==========================================
+ Coverage   94.59%   94.65%   +0.05%     
==========================================
  Files          20       20              
  Lines        1684     1684              
  Branches      404      404              
==========================================
+ Hits         1593     1594       +1     
+ Misses         27       26       -1     
  Partials       64       64              

Impacted Files	Coverage Δ
src/calendar.jsx	94.19% <ø> (ø)
src/year.jsx	97.18% <0.00%> (+1.40%)	⬆️

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