fix(datepicker): Thai Buddish calendar on Datepicker show wrong on le…

[tumit]

…ap year #5679

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• added/updated tests.
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[codecov]

Codecov Report

Merging #5715 into development will decrease coverage by 0.04%.
The diff coverage is 30.00%.

@@               Coverage Diff               @@
##           development    #5715      +/-   ##
===============================================
- Coverage        73.68%   73.64%   -0.05%     
===============================================
  Files              323      323              
  Lines            11664    11646      -18     
  Branches          2481     2481              
===============================================
- Hits              8595     8577      -18     
+ Misses            1966     1963       -3     
- Partials          1103     1106       +3     

Impacted Files	Coverage Δ
src/chronos/format/format.ts	96.66% <ø> (-0.11%)	⬇️
src/chronos/i18n/th-be.ts	37.50% <ø> (-29.17%)	⬇️
src/datepicker/bs-datepicker-input.directive.ts	43.87% <0.00%> (+2.92%)	⬆️
src/chronos/locale/locale.class.ts	58.45% <33.33%> (-0.13%)	⬇️
src/chronos/units/year.ts	95.45% <50.00%> (-4.55%)	⬇️
...c/datepicker/bs-daterangepicker-input.directive.ts	42.73% <50.00%> (-0.82%)	⬇️
...ker/themes/bs/bs-months-calendar-view.component.ts	56.25% <0.00%> (-12.50%)	⬇️
src/chronos/i18n/pl.ts	67.56% <0.00%> (-2.71%)	⬇️
src/datepicker/reducer/bs-datepicker.effects.ts	74.07% <0.00%> (-1.49%)	⬇️
... and 6 more

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[daniloff200]

Well, looks like my very very strange fix (#5691) for this issue can be closed.

Gonna test it today, if everything works well, we can merge that