[UI] Enable strict TypeScript checking for date-picker popover

[PunugupatiSaikumar]

Changes

• Enable strict checking for the date-picker popover.
• Declare the callback supplied when creating the popover.
• Preserve existing date-function behavior for undefined input.
• Correct the allowed-history-periods helper's input and return types

[codecov]

Codecov Report

❌ Patch coverage is 25.00000% with 3 lines in your changes missing coverage. Please review.

❌ Your patch check has failed because the patch coverage (25.00%) is below the target coverage (75.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #3976      +/-   ##
=============================================
- Coverage      55.34%   55.34%   -0.00%     
- Complexity     19440    19445       +5     
=============================================
  Files           3842     3842              
  Lines         177254   177256       +2     
  Branches       14803    14804       +1     
=============================================
+ Hits           98083    98084       +1     
- Misses         75290    75293       +3     
+ Partials        3881     3879       -2     

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