update datepicker

[eromano]

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation
• Other... Please describe:

What is the current behaviour? (You can also link to an open issue here)

What is the new behaviour?

Does this PR introduce a breaking change? (check one with "x")

• Yes
• No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

[codecov-commenter]

Codecov Report

Merging #5971 into develop will increase coverage by 3.22%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #5971      +/-   ##
===========================================
+ Coverage    75.41%   78.64%   +3.22%     
===========================================
  Files          617      471     -146     
  Lines        14475    10738    -3737     
  Branches      3010     2000    -1010     
===========================================
- Hits         10917     8445    -2472     
+ Misses        2649     1660     -989     
+ Partials       909      633     -276     

Impacted Files	Coverage Δ
lib/core/language-menu/language-menu.module.ts
...dgets/dynamic-table/number-cell-validator.model.ts
lib/core/mock/cookie.service.mock.ts
...b/core/form/components/widgets/tabs/tabs.widget.ts
...b/core/card-view/models/card-view-mapitem.model.ts
lib/core/form/events/form.event.ts
lib/core/pipes/file-type.pipe.ts
...card-view-boolitem/card-view-boolitem.component.ts
lib/core/services/lock.service.ts
lib/core/directives/node-delete.directive.ts
... and 592 more

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