feat: option to improve Date Sorting by pre-parsing date items only once

[ghiscoding]

No description provided.

[stackblitz]

Run & review this pull request in StackBlitz Codeflow.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.

Project coverage is 21.40%. Comparing base (64f3cb2) to head (10f7e27).
Report is 8 commits behind head on master.

Files with missing lines	Patch %	Lines
...slickgrid/src/custom-elements/aurelia-slickgrid.ts	0.00%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1268      +/-   ##
==========================================
- Coverage   21.56%   21.40%   -0.15%     
==========================================
  Files           8        8              
  Lines         937      944       +7     
  Branches      324      348      +24     
==========================================
  Hits          202      202              
- Misses        735      742       +7     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.