fix: add children prop to error boundary props (#1834)

extensions/applicationinsights-react-js/src/AppInsightsErrorBoundary.tsx

@@ -8,6 +8,7 @@ import ReactPlugin from "./ReactPlugin";
 export interface IAppInsightsErrorBoundaryProps {
     appInsights: ReactPlugin
     onError: React.ComponentType<any>
+    children: React.ReactElement
 }
 
 export interface IAppInsightsErrorBoundaryState {