React MUI styling not loading correctly

[ameliav]

🗣 Description

Show styling elements correctly and have the MUI version be compatible with the updated React version

💭 Motivation and context

The Vulnerability.tsx page was not displaying correctly. There was also a warning in the console saying adaptV4Theme has depreciated.

🧪 Testing

The vulnerability page appears with styling now and the warning is gone.

✅ Pre-approval checklist

• [x] This PR has an informative and human-readable title.
• [x] Changes are limited to a single goal - eschew scope creep!
• [x] All future TODOs are captured in issues, which are referenced in code comments.
• [x] All relevant type-of-change labels have been added.
• [x] I have read the CONTRIBUTING document.
• [x] These code changes follow cisagov code standards.
• [x] All relevant repo and/or project documentation has been updated to reflect the changes in this PR.
• [x] Tests have been added and/or modified to cover the changes in this PR.
• [x] All new and existing tests pass.

[ameliav]

Hey @schmelz21 this addresses the issue with the current Vulnerability page not loading the styling. It also addresses the warning in the console.