Add basic storage consistency check

This adds a storage consistency check just before creating a client on login.
Each data store we use is checked for data and any problems are logged to the
console.

Fixes https://github.com/vector-im/riot-web/issues/9271

src/Lifecycle.js

@@ -31,7 +31,8 @@ import Modal from './Modal';
 import sdk from './index';
 import ActiveWidgetStore from './stores/ActiveWidgetStore';
 import PlatformPeg from "./PlatformPeg";
-import {sendLoginRequest} from "./Login";
+import { sendLoginRequest } from "./Login";
+import * as StorageManager from './utils/StorageManager';
 
 /**
  * Called at startup, to attempt to build a logged-in Matrix session. It tries
@@ -353,6 +354,8 @@ async function _doSetLoggedIn(credentials, clearStorage) {
         await _clearStorage();
     }
 
+    await StorageManager.checkConsistency();
+
     Analytics.setLoggedIn(credentials.guest, credentials.homeserverUrl, credentials.identityServerUrl);
 
     if (localStorage) {