perf(module:date-picker): do not trigger change detection on mousedown

[arturovt]

No description provided.

[zorro-bot]

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[codecov]

Codecov Report

Merging #7860 (4cfc997) into master (e95cdb6) will increase coverage by 0.01%.
The diff coverage is 100.00%.

❗ Current head 4cfc997 differs from pull request most recent head 9f2bacb. Consider uploading reports for the commit 9f2bacb to get more accurate results

@@            Coverage Diff             @@
##           master    #7860      +/-   ##
==========================================
+ Coverage   92.09%   92.10%   +0.01%     
==========================================
  Files         502      502              
  Lines       16819    16818       -1     
  Branches     2577     2663      +86     
==========================================
+ Hits        15489    15490       +1     
+ Misses       1059     1056       -3     
- Partials      271      272       +1     

Impacted Files	Coverage Δ
components/date-picker/date-picker.component.ts	94.62% <100.00%> (-0.02%)	⬇️
components/tabs/tab-add-button.component.ts	75.00% <0.00%> (-25.00%)	⬇️
components/tabs/tab-nav-bar.component.ts	87.94% <0.00%> (+1.41%)	⬆️

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[simplejason]

LGTM