refactor(web): migrate multi-checkbox lists to CheckboxGroup

[lyzno1]

Summary

• migrate remaining multi-checkbox segment/filter/label flows to @langgenius/dify-ui CheckboxGroup semantics
• keep segment selection scoped to the current page CheckboxGroup while preserving selected ids outside the current page
• update related tests around segment selection, filters, and label selection

Closes #36272

Tests

• pnpm --dir web test app/components/datasets/documents/detail/completed/hooks/tests/use-segment-selection.spec.ts app/components/datasets/documents/detail/completed/components/tests/menu-bar.spec.tsx app/components/datasets/documents/detail/completed/tests/segment-list.spec.tsx app/components/datasets/documents/detail/completed/components/tests/segment-list-content.spec.tsx app/components/datasets/documents/detail/completed/tests/index.spec.tsx app/components/plugins/plugin-page/filter-management/tests/category-filter.spec.tsx app/components/plugins/plugin-page/filter-management/tests/index.spec.tsx app/components/plugins/marketplace/search-box/tests/tags-filter.spec.tsx app/components/tools/labels/tests/selector.spec.tsx tests/datasets/segment-crud.test.tsx
• pnpm --dir web type-check

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.99%. Comparing base (b04b444) to head (3fb4fdf).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #36381      +/-   ##
==========================================
- Coverage   85.99%   85.99%   -0.01%     
==========================================
  Files        4458     4458              
  Lines      211918   211893      -25     
  Branches    39544    39531      -13     
==========================================
- Hits       182232   182209      -23     
+ Misses      26471    26469       -2     
  Partials     3215     3215              

Flag	Coverage Δ
dify-ui	94.80% <ø> (ø)
web	86.57% <100.00%> (-0.01%)	⬇️

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

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.