Fix prettier issues and update PR contract

[apinkert]

Fixes prettier issues that mistakenly got merged and updates the on-pull-request contract to check for lint issues

[coderabbitai]

Walkthrough

Adds a lint step to the Tekton pipeline run script and makes minor formatting/whitespace edits to two Storybook story files; no behavioral or API changes to application code.

Changes

Storybook story formatting

Layer / File(s)	Summary
Reformat assertion src/components/HelpPanel/HelpPanelTabs/SupportPanel.stories.tsx	Reformatted the WithCases story's toBeGreaterThan(0) assertion to a multi-line style; behavior unchanged.
Trailing-whitespace cleanup src/user-journeys/HelpPanelSupportPanel.stories.tsx	Removed trailing newline/whitespace at the end of the Step04_EmptyStateAndOpenSupportCase story file; no logic changes.

CI: Tekton pipeline update

Layer / File(s)	Summary
Add lint step to unit test script .tekton/learning-resources-pull-request.yaml	unit-tests-script now runs npm run lint before npm test -- --runInBand --no-cache; pipeline structure and other tasks unchanged.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The PR description is vague and lacks required sections from the template (ticket reference, screenshots, checklist, and detailed explanation).	Provide a complete description including RHCLOUD ticket reference, detailed explanation of prettier issues fixed, relevant screenshots/Storybook links, completed checklist items, and any reviewer notes.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately reflects the main changes: fixing Prettier formatting issues and updating the PR contract to include linting.
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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