fix(Button): Fix counter bg color in buttons

[BlackySoul]

• исправляем background-color для Counter в Button (mode:primary)
• добавила e2e-тесты, чтобы быстрее отлавливать баги

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit e5aa110:

Sandbox	Source
VKUI TypeScript	Configuration

[github-actions]

👀 Docs deployed

• Styleguide
• Storybook

Commit e5aa110

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (29c5b59) 81.69% compared to head (e5aa110) 81.70%.
Report is 9 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5532   +/-   ##
=======================================
  Coverage   81.69%   81.70%           
=======================================
  Files         286      286           
  Lines        9575     9585   +10     
  Branches     3054     3057    +3     
=======================================
+ Hits         7822     7831    +9     
- Misses       1753     1754    +1     

Flag	Coverage Δ
unittests	81.70% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

see 3 files with indirect coverage changes

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

[github-actions]

size-limit report 📦

Path	Size
JS	311.65 KB (0%)
JS (gzip)	91.17 KB (0%)
JS (brotli)	75.66 KB (0%)
JS import Div (tree shaking)	2.97 KB (0%)
CSS	271.45 KB (+0.01% 🔺)
CSS (gzip)	35.56 KB (-0.01% 🔽)
CSS (brotli)	28.19 KB (-0.09% 🔽)

[github-actions]

e2e tests

Playwright Report