Fix grammar, broken links, and outdated content in SPFx docs

[Ashlesha-MSFT]

Category

• Content fix

Related issues

• fixes SPFx Docs Update for content: spfx/dynamic-data.md #10718
• fixes SPFx Docs Update for content: docs/spfx/enable-Microsoft-365-content-delivery-network.md #10719
• fixes SPFx Docs Update for content: docs/spfx/enterprise-guidance.md #10720
• fixes SPFx Docs Update for content: docs/spfx/hyperlinking.md #10721
• fixes SPFx Docs Update for content: docs/spfx/image-helper-api.md #10722

What's in this Pull Request?

• Fix grammar, broken links, and outdated content in SPFx docs

[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

✅ No issues found

More information about PoliCheck

Information: PoliCheck | Severity Guidance | Term
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[learn-build-service-prod]

Learn Build status updates of commit ec95ebe:

💡 Validation status: suggestions

File	Status	Preview URL	Details
docs/spfx/enable-Microsoft-365-content-delivery-network.md	💡Suggestion	View	Details
docs/spfx/dynamic-data.md	✅Succeeded	View
docs/spfx/enterprise-guidance.md	✅Succeeded	View
docs/spfx/hyperlinking.md	✅Succeeded	View
docs/spfx/image-helper-api.md	✅Succeeded	View

docs/spfx/enable-Microsoft-365-content-delivery-network.md

• Line 26, Column 18: [Suggestion: docs-link-absolute - See documentation] Absolute link 'https://learn.microsoft.com/powershell/sharepoint/sharepoint-online/connect-sharepoint-online' will be broken in isolated environments. Replace with a relative link.
• Line 50, Column 16: [Suggestion: learn-site-link-broken - See documentation] Link '/powershell/module/sharepoint-online' points to a learn site page that doesn't exist. Check the path or URL and update the link.
• Line 72, Column 16: [Suggestion: learn-site-link-broken - See documentation] Link '/powershell/module/sharepoint-online' points to a learn site page that doesn't exist. Check the path or URL and update the link.
• Line 104, Column 16: [Suggestion: learn-site-link-broken - See documentation] Link '/powershell/module/sharepoint-online' points to a learn site page that doesn't exist. Check the path or URL and update the link.
• Line 126, Column 16: [Suggestion: learn-site-link-broken - See documentation] Link '/powershell/module/sharepoint-online' points to a learn site page that doesn't exist. Check the path or URL and update the link.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.