Update reflow-scan text to improve clarity and reference WCAG 2.2

[taarikashenafi]

Closes #230

Updates the reflow-scan plugin text to improve clarity:

• Removes mention of 256 height from comment
• Updates problemShort to better describe the issue
• Updates problemUrl to reference WCAG 2.2 instead of 2.1
• Updates solutionShort to use more descriptive guidance
• Updates solutionLong with clearer violation explanation
• Updates test strings to match new copy

[Copilot]

Pull request overview

This PR updates the reflow-scan plugin’s user-facing copy (and related test expectations) to better describe the reflow finding and to reference WCAG 2.2.

Changes:

• Revised problemShort, solutionShort, and solutionLong text for reflow findings to be clearer and more action-oriented.
• Updated the WCAG “Understanding Reflow” link from WCAG 2.1 to WCAG 2.2.
• Updated test expectations to match the new strings.

Show a summary per file

File	Description
.github/scanner-plugins/reflow-scan/index.ts	Updates reflow-scan finding copy and WCAG reference URL.
tests/site-with-errors.test.ts	Updates expected strings/titles to match the revised reflow-scan copy.

Copilot's findings

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• Files reviewed: 2/2 changed files
• Comments generated: 2

[JoyceZhu]

Slightly different suggestion than the bot:

Suggested change

	solutionLong: `The page has a scroll width of ${scrollWidth}px but a client width of only ${clientWidth}px at a 320px wide viewport, resulting in a horizontal scrollbar. Ensure that multi-line text does not require scrolling in two-dimensions to read, as this would be a violation of the WCAG 1.4.10 Reflow Success Criterion.`,
	solutionLong: `The page has a scroll width of ${scrollWidth}px but a client width of only ${clientWidth}px at a 320px wide viewport, resulting in a horizontal scrollbar. Ensure that multi-line text does not require scrolling in two-dimensions to read, as this would be a violation of WCAG Success Criterion 1.4.10 (Reflow).`,

[JoyceZhu]

did Prettier automatically do this?

[JoyceZhu]

Let's also bump the patch version up here since we've changed the plugin copy a decent amount. (Whenever we add support for marking filings as Best Practices/Needs Human Review, we can upgrade the minor version)

[JoyceZhu]

Suggested change

	'verify if sections of content can be viewed within the 320px wide viewport without needing to scroll in two-dimensions to read the content of an individual section',
	'verify if sections of content can be viewed within the 320px wide viewport without needing to scroll in two dimensions to read the content of an individual section',

[JoyceZhu]

suggested a couple wording/typo adjustments from the original request.