docs(PickerGroup): add constraints to the end date

[inottn]

close #13326

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.59%. Comparing base (ec5b45b) to head (dc4f251).
Report is 24 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13334      +/-   ##
==========================================
- Coverage   89.60%   89.59%   -0.01%     
==========================================
  Files         257      257              
  Lines        7013     7019       +6     
  Branches     1736     1736              
==========================================
+ Hits         6284     6289       +5     
- Misses        384      387       +3     
+ Partials      345      343       -2     

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[chenjiahan]

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