[ErrorBoundary] Make "Show details" centered

[fhlavac]

RHCLOUD-32155

In the ErrrorBoundary, let's make the "Show details" toggle centered, so it does not move when clicking it:

[github-actions]

🎉 This issue has been resolved in version 5.2.0-prerelease.2 🎉

The release is available on:

• GitHub release
• npm package (@prerelease dist-tag)

Your semantic-release bot 📦🚀