fix(PlusIcon): Replace PlusIcon with RhUiAddIcon

[rebeccaalpert]

What:
Part of #12402. Breaking into separate PRs so it is easier to review.

Additional issues:

Summary by CodeRabbit

• Style

  • Updated “Add/Plus” icons across Card, MenuToggle, NumberInput, Slider, Tabs, and Tile to use the Red Hat UI icon set, keeping the same visual placement on all related action buttons.

• Documentation

  • Refreshed component example documentation to reference the new icon for “custom icon” and “add” scenarios.

• Tests

  • Updated Tile snapshot tests to reflect the new icon rendering.

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Review details

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 1a6901d7-ebd4-4347-ab07-152c232ca26a

📥 Commits

Reviewing files that changed from the base of the PR and between ab5acfd and e1c1446.

⛔ Files ignored due to path filters (2)

• packages/react-core/src/components/NumberInput/__tests__/__snapshots__/NumberInput.test.tsx.snap is excluded by !**/*.snap
• packages/react-core/src/deprecated/components/Tile/__tests__/__snapshots__/Tile.test.tsx.snap is excluded by !**/*.snap

📒 Files selected for processing (12)

• packages/react-core/src/components/Card/examples/Card.md
• packages/react-core/src/components/Card/examples/CardTile.tsx
• packages/react-core/src/components/Card/examples/CardTileMulti.tsx
• packages/react-core/src/components/MenuToggle/examples/MenuToggle.md
• packages/react-core/src/components/MenuToggle/examples/MenuToggleCustomIcon.tsx
• packages/react-core/src/components/NumberInput/NumberInput.tsx
• packages/react-core/src/components/Slider/examples/Slider.md
• packages/react-core/src/components/Slider/examples/SliderActions.tsx
• packages/react-core/src/components/Tabs/Tabs.tsx
• packages/react-core/src/deprecated/components/Tile/__tests__/Tile.test.tsx
• packages/react-core/src/deprecated/components/Tile/examples/Tile.md
• packages/react-core/src/deprecated/components/Tile/examples/TileWithIcon.tsx

Walkthrough

PlusIcon is replaced with RhUiAddIcon in component implementations, examples, markdown docs, and deprecated Tile snapshot tests.

Changes

PlusIcon → RhUiAddIcon replacement

Layer / File(s)	Summary
Component implementation icon swap packages/react-core/src/components/NumberInput/NumberInput.tsx, packages/react-core/src/components/Tabs/Tabs.tsx	NumberInput and Tabs update their icon imports and render RhUiAddIcon for the plus/add button.
Examples and docs icon swap packages/react-core/src/components/Card/examples/Card.md, packages/react-core/src/components/Card/examples/CardTile.tsx, packages/react-core/src/components/Card/examples/CardTileMulti.tsx, packages/react-core/src/components/MenuToggle/examples/MenuToggle.md, packages/react-core/src/components/MenuToggle/examples/MenuToggleCustomIcon.tsx, packages/react-core/src/components/Slider/examples/Slider.md, packages/react-core/src/components/Slider/examples/SliderActions.tsx, packages/react-core/src/deprecated/components/Tile/examples/Tile.md, packages/react-core/src/deprecated/components/Tile/examples/TileWithIcon.tsx	Example code and docs switch imports, rendered icons, and custom icon text from PlusIcon to RhUiAddIcon.
Tile snapshot test icon swap packages/react-core/src/deprecated/components/Tile/__tests__/Tile.test.tsx	Tile snapshot tests use RhUiAddIcon in the regular, stacked, and stacked-large cases.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• patternfly/patternfly-react#12522: Updates related icon usages in the same component area, but swaps MinusIcon to RhUiMinusIcon instead.

Suggested reviewers: kmcfaul, 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 clearly and concisely summarizes the main change: replacing PlusIcon with RhUiAddIcon.
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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[patternfly-build]

Preview: https://pf-react-pr-12520.surge.sh

A11y report: https://pf-react-pr-12520-a11y.surge.sh