[Fix] Use firebase clean urls

[lisaklein]

What does this PR do?

Social previews all gave the home content title & description because it was not using the correct HTML files, added 'cleanUrls' to firebase config so it finds the matching html and serves the correct file.

How do you test this PR?

Testable on ACC/PROD

Checklist

• [ ] Works on Safari, Chrome, Firefox & Edge
• [ ] Works on different screen sizes (responsive)
• [ ] Scores 100 in Lighthouse/PageSpeed Insights on SEO, accessibility and best practices, and >= 90 on performance
• [ ] Does not contain tracking cookies
• [ ] Are migrations added?
• [ ] Is the README.md updated?

Accessibility checklist

• Scalable text
• Dark and light mode
• Contrast
• Focus management
• Aria attributes