fix(InfrastructureIcons): replaced with RH brand icons part 4

[thatblindgeye]

What: Towards #12399

Covers FileUpload, Download, Upload, and Clone icons

Additional issues:

Summary by CodeRabbit

• Style
  • Refreshed icon designs across the component library to use PatternFly React UI icons for enhanced visual consistency. Updated components include CodeEditor, Button, FileUpload, MultipleFileUpload, Toolbar, and Table with modernized upload, download, document, and copy action icons visible throughout the interface, examples, and documentation.

[coderabbitai]

Important

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Review profile: CHILL

Plan: Pro

Run ID: d896988a-2e5b-4b61-9903-2a0073c74d8c

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Walkthrough

This PR updates multiple component examples, demos, and one editor component to use RH UI icon variants for upload, download, document, and copy actions, and adjusts FileUpload markdown code-fence spacing in its example documentation.

Changes

Icon refresh across components, examples, and demos

Layer / File(s)	Summary
Upload and download icon replacements packages/react-code-editor/src/components/CodeEditor/CodeEditor.tsx, packages/react-core/src/components/Button/examples/*, packages/react-core/src/components/MultipleFileUpload/examples/*, packages/react-core/src/demos/MultipleFileUploadDemos.md, packages/react-core/src/demos/examples/MultipleFileUpload/*, packages/react-core/src/demos/Toolbar.md, packages/react-core/src/demos/examples/Toolbar/*	Upload and download actions now import and render RhUiUploadIcon or RhUiDownloadIcon in the editor, examples, and demos.
File upload preview and markdown cleanup packages/react-core/src/components/FileUpload/examples/FileUpload.md, packages/react-core/src/components/FileUpload/examples/FileUploadCustomPreview.tsx	FileUpload examples switch to RhUiDocumentFillIcon, and the markdown example sections adjust code-fence and spacing lines around embedded example blocks.
Copy icon replacements in toolbar and table examples packages/react-core/src/components/Toolbar/examples/*, packages/react-integration/demo-app-ts/src/components/demos/ToolbarDemo/ToolbarDemo.tsx, packages/react-table/src/demos/Table.md, packages/react-table/src/demos/examples/TableSortableResponsive.tsx	Toolbar, integration, and table examples replace clone icons with RhUiCopyFillIcon in imports and button icon props.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• patternfly/patternfly-react#12467: Similar icon-component replacement updates across React examples and components.

Suggested labels

Needs design review

Suggested reviewers

• kmcfaul
• 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 infrastructure icons with RH brand icons as part 4 of a multi-part initiative.
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)

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[patternfly-build]

Preview: https://pf-react-pr-12504.surge.sh

A11y report: https://pf-react-pr-12504-a11y.surge.sh