feat(Slider): add testid for slider thumbs

[andrey-medvedev-vk]

• related [Feature][EPIC]: Поддержать возможность передачи data-testid во всех компонентах, особенно в интерактивные подкомпоненты #6219

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• Unit-тесты
• Документация фичи
• Release notes

Описание

Добавлены пропы для задания testid у slider thumb.

Release notes

Улучшения

• Slider: добавлена возможность прокинуть data-testid на ползунки с помощью свойств startThumbTestId, endThumbTestId.

[github-actions]

size-limit report 📦

Path	Size
JS	385.62 KB (+0.03% 🔺)
JS (gzip)	116.61 KB (+0.03% 🔺)
JS (brotli)	96.08 KB (+0.13% 🔺)
JS import Div (tree shaking)	1.56 KB (0%)
CSS	337.16 KB (0%)
CSS (gzip)	42.77 KB (0%)
CSS (brotli)	33.71 KB (0%)

[github-actions]

e2e tests

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Playwright Report

[github-actions]

👀 Docs deployed

• ✅ Styleguide
• ✅ Storybook

Commit b9500b1

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.48%. Comparing base (0eeffef) to head (b9500b1).
Report is 16 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #8039   +/-   ##
=======================================
  Coverage   95.47%   95.48%           
=======================================
  Files         393      392    -1     
  Lines       11188    11168   -20     
  Branches     3708     3687   -21     
=======================================
- Hits        10682    10664   -18     
+ Misses        506      504    -2     

Flag	Coverage Δ
unittests	95.48% <ø> (+<0.01%)	⬆️

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[vkcom-publisher]

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