Assume default template for mgt-react (#778)

Author: aakashbhardwaj619

packages/mgt-react/src/Mgt.ts

@@ -116,6 +116,8 @@ export class Mgt extends Wc {
       let element = child as ReactElement;
       if (element && element.props && element.props.template) {
         templates[element.props.template] = element;
+      } else {
+        templates['default'] = element;
       }
     });
 

packages/mgt-react/src/MgtTemplateProps.ts

@@ -1,4 +1,4 @@
 export type MgtTemplateProps = {
-  template: string;
+  template?: string;
   dataContext?: any;
 };

samples/react-app/src/index.js

@@ -14,7 +14,7 @@ import React from 'react';
 import ReactDOM from 'react-dom';
 import App from './App';
 import { Providers, MsalProvider } from '@microsoft/mgt';
-import { MockProvider } from '@microsoft/mgt/dist/mock/MockProvider';
+import { MockProvider } from '@microsoft/mgt-element/dist/mock/MockProvider';
 
 Providers.globalProvider = new MockProvider(true);