Back out "Remove usage of ReactDOM.render for root"

Summary:
Original commit changeset: 2a975690bab0

Original Phabricator Diff: D47257442

For context:
More things need updating and testing. Node, antd, etc. needs all updating.

Once this lands, a new release needs to be made triggered by:
https://www.internalfb.com/chronos/job/gp/27021599065494131

Differential Revision: D47456598

fbshipit-source-id: 1f96e88744b98c7d477c5ccc43167bde475e3036

desktop/flipper-ui-core/src/startFlipperDesktop.tsx

@@ -8,8 +8,6 @@
  */
 
 import {Provider} from 'react-redux';
-import {createRoot} from 'react-dom/client';
-
 import {init as initLogger} from './fb-stubs/Logger';
 import {initLogTailer} from './consoleLogTailer';
 import {SandyApp} from './sandy-chrome/SandyApp';
@@ -46,6 +44,7 @@ import {startGlobalErrorHandling} from './utils/globalErrorHandling';
 import {loadTheme} from './utils/loadTheme';
 import {connectFlipperServerToStore} from './dispatcher/flipperServer';
 import {enableConnectivityHub} from './chrome/ConnectivityHub';
+import ReactDOM from 'react-dom';
 
 class AppFrame extends React.Component<
   {logger: Logger; persistor: Persistor},
@@ -169,10 +168,14 @@ function init(flipperServer: FlipperServer) {
 
   connectFlipperServerToStore(flipperServer, store, logger);
 
-  const root = document.getElementById('root');
-  if (root) {
-    createRoot(root).render(<AppFrame logger={logger} persistor={persistor} />);
-  }
+  // TODO T116224873: Return the following code back instead of ReactDOM.react when the following issue is fixed: https://github.com/react-component/trigger/issues/288
+  // const root = createRoot(document.getElementById('root')!);
+  // root.render(<AppFrame logger={logger} persistor={persistor} />);
+
+  ReactDOM.render(
+    <AppFrame logger={logger} persistor={persistor} />,
+    document.getElementById('root')!,
+  );
 
   enableConsoleHook();
   enableConnectivityHub(flipperServer);