fix(BoxIcon): Replace BoxIcon with RhUiContainerFillIcon

[rebeccaalpert]

Part of #12401. Breaking into separate PRs so it is easier to review.

Made with Cursor and manually reviewed in site/checked output.

Summary by CodeRabbit

• Documentation
  • Updated Alert and Tabs component examples to use a different icon in relevant demonstrations.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 8c2dfb38-f5d9-42f5-bb73-d61d4f92e5db

📥 Commits

Reviewing files that changed from the base of the PR and between 256cd06 and d2c3204.

📒 Files selected for processing (5)

• packages/react-core/src/components/Alert/examples/Alert.md
• packages/react-core/src/components/Alert/examples/AlertCustomIcons.tsx
• packages/react-core/src/components/Tabs/examples/Tabs.md
• packages/react-core/src/components/Tabs/examples/TabsFilledWithIcons.tsx
• packages/react-core/src/components/Tabs/examples/TabsIconAndText.tsx

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Walkthrough

Replaces BoxIcon with RhUiContainerFillIcon across Alert and Tabs example files. The swap affects imports and render sites in AlertCustomIcons.tsx, TabsFilledWithIcons.tsx, and TabsIconAndText.tsx, with matching import-line updates in Alert.md and Tabs.md.

Changes

Icon replacement across Alert and Tabs examples

Layer / File(s)	Summary
BoxIcon → RhUiContainerFillIcon in Alert and Tabs examples packages/react-core/src/components/Alert/examples/Alert.md, packages/react-core/src/components/Alert/examples/AlertCustomIcons.tsx, packages/react-core/src/components/Tabs/examples/Tabs.md, packages/react-core/src/components/Tabs/examples/TabsFilledWithIcons.tsx, packages/react-core/src/components/Tabs/examples/TabsIconAndText.tsx	BoxIcon import and usage is replaced with RhUiContainerFillIcon in the "info" alert custom icon and the "Containers" tab title icon across all affected example files and their documentation.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Suggested reviewers

• thatblindgeye
• nicolethoen

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: replacing BoxIcon with RhUiContainerFillIcon across multiple example files and documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[patternfly-build]

Preview: https://pf-react-pr-12482.surge.sh

A11y report: https://pf-react-pr-12482-a11y.surge.sh

[nicolethoen]

needs a rebase