docs(button): decompose Single button demo

[artolshansky]

close #3663

PR Checklist

Before creating new PR, please take a look at checklist below to make sure that you've done everything that needs to be done before we can merge it.

• read and followed the CONTRIBUTING.md guide.
• built and tested the changes locally.
• added/updated demos.

[codecov]

Codecov Report

Merging #3670 into development will decrease coverage by 0.02%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           development    #3670      +/-   ##
===============================================
- Coverage        72.05%   72.03%   -0.03%     
===============================================
  Files              252      252              
  Lines             8159     8159              
  Branches          1552     1552              
===============================================
- Hits              5879     5877       -2     
- Misses            1858     1859       +1     
- Partials           422      423       +1

Impacted Files	Coverage Δ
src/chronos/i18n/pl.ts	72.22% <0%> (-5.56%)	⬇️

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[YevheniiaMazur]

Add commit with new changes in e2e from latest development and with fix for failed due to decomposing test.