fix(validation): improve error messages for a few schemas

[Josh-Cena]

Motivation

Fix #4412

Have you read the Contributing Guidelines on pull requests?

Yes

Test Plan

Updated snapshots

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[github-actions]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🟠 Performance	52
🟢 Accessibility	100
🟢 Best practices	92
🟢 SEO	100
🟢 PWA	90

Lighthouse ran on https://deploy-preview-6997--docusaurus-2.netlify.app/

[github-actions]

Size Change: 0 B

Total Size: 805 kB

ℹ️ View Unchanged

Filename	Size
website/.docusaurus/globalData.json	49.9 kB
website/build/assets/css/styles.********.css	105 kB
website/build/assets/js/main.********.js	612 kB
website/build/index.html	38.4 kB

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