chore: turn error boundary into typescript

[cino]

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Description of Change

• Turned the ./src/components/util/ErrorBoundary into typescript
• Also renamed an import/function call from injectSheet to withStyles to be in line with documentation of the corresponding library and planning to do that throughout the project.

Motivation and Context

• Convert to typescript #42

Checklist

• My pull request is properly named
• The changes respect the code style of the project (npm run prepare-code)
• npm test passes
• I tested/previewed my changes locally

[vraravam]

Haven't tested locally, assume its working.