Fixed all vale errors in UI Builder articles

[eshanrnh]

📋 Description

Fixed all vale errors generated in the report while doing a vale check/test.

📎 Related Issues (if applicable)

✅ Contributor Checklist

I've followed the Umbraco Documentation Style Guide and can confirm that:

• Code blocks are correctly formatted.
• Sentences are short and clear (preferably under 25 words).
• Passive voice and first-person language (“we”, “I”) are avoided.
• Relevant pages are linked.
• All links work and point to the correct resources.
• Screenshots or diagrams are included if useful.
• Any code examples or instructions have been tested.
• Typos, broken links, and broken images are fixed.

Product & Version (if relevant)

UI Builder v16

Deadline (if relevant)

Anytime.

📚 Helpful Resources

• 🧾 Umbraco Contribution Guidelines
• ✍️ Umbraco Documentation Style Guide

[github-actions]

The Link Checker found broken links in your PR.
Please review the following list:

Broken links found in: 16/umbraco-ui-builder/areas/dashboards.md

⚓ Anchor not found → 16/umbraco-ui-builder/areas/sections.md#extending-an-existing-section | Cannot find fragment

Broken links found in: 16/umbraco-ui-builder/changelog-archive/changelog.md

⚓ Anchor not found → 16/umbraco-ui-builder/actions/inbuilt-actions.md#konstruktimportentityaction | Cannot find fragment

⚓ Anchor not found → 16/umbraco-ui-builder/areas/sections.md#extending-an-existing-section | Cannot find fragmentFull Github Actions output