Use modern jsx transform approach

.eslintrc

__tests__/src/components/AccessTokenSender.test.js

__tests__/src/components/AnnotationSettings.test.js

__tests__/src/components/AnnotationsOverlay.test.js

__tests__/src/components/App.test.js

__tests__/src/components/AppProviders.test.js

__tests__/src/components/AttributionPanel.test.js

__tests__/src/components/AudioViewer.test.js

__tests__/src/components/BackgroundPluginArea.test.js

__tests__/src/components/Branding.test.js

__tests__/src/components/CanvasAnnotations.test.js

__tests__/src/components/CanvasInfo.test.js

__tests__/src/components/CanvasLayers.test.js

__tests__/src/components/ChangeThemeDialog.test.js

__tests__/src/components/CollapsibleSection.test.js

__tests__/src/components/CollectionDialog.test.js

__tests__/src/components/CollectionInfo.test.js

__tests__/src/components/CompanionArea.test.js

__tests__/src/components/CompanionWindow.test.js

__tests__/src/components/CompanionWindowFactory.test.js