fix(QuestionIcon): Replace QuestionIcon with RhUiQuestionMarkIcon

[rebeccaalpert]

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

Additional issues:

Summary by CodeRabbit

• Documentation
  • Updated HelperText component examples to showcase an alternative icon option.

[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: 1965d7ae-57a4-4cde-8251-2b55fe7e6c6b

📥 Commits

Reviewing files that changed from the base of the PR and between aa4f9fd and 70b11bb.

📒 Files selected for processing (2)

• packages/react-core/src/components/HelperText/examples/HelperText.md
• packages/react-core/src/components/HelperText/examples/HelperTextWithCustomIcon.tsx

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Walkthrough

In the HelperText examples, the icon used for the indeterminate state is changed from QuestionIcon to RhUiQuestionMarkIcon. The import and the icon prop in HelperTextWithCustomIcon.tsx are updated, along with the corresponding import line in HelperText.md.

Changes

HelperText icon replacement

Layer / File(s)	Summary
Icon import and usage update packages/react-core/src/components/HelperText/examples/HelperTextWithCustomIcon.tsx, packages/react-core/src/components/HelperText/examples/HelperText.md	Replaces QuestionIcon with RhUiQuestionMarkIcon in the import and icon prop of the indeterminate HelperTextItem, and updates the matching import in the markdown documentation snippet.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• patternfly/patternfly-react#12471: Performs the same pattern of icon replacement in another component example, swapping MoonIcon with RhUiDarkModeFillIcon.

Suggested reviewers

• nicolethoen
• thatblindgeye

🚥 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 specifically describes the main change: replacing QuestionIcon with RhUiQuestionMarkIcon, which matches the file modifications shown in the raw summary.
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-12509.surge.sh

A11y report: https://pf-react-pr-12509-a11y.surge.sh

[thatblindgeye]

Codewise looks good, however this particular RH icon to me is rather difficult to see due to how thin it is.