create e2ee identity also when storage got cleared without backup

src/matrix/Session.js

@@ -237,6 +237,10 @@ export class Session {
         return this._sessionBackup;
     }
 
+    get hasIdentity() {
+        return !!this._e2eeAccount;
+    }
+
     /** @internal */
     async createIdentity(log) {
         if (this._olm) {

src/matrix/SessionContainer.js

@@ -233,8 +233,7 @@ export class SessionContainer {
             platform: this._platform,
         });
         await this._session.load(log);
-        // TODO: check instead storage doesn't have an identity
-        if (isNewLogin) {
+        if (!this._session.hasIdentity) {
             this._status.set(LoadStatus.SessionSetup);
             await log.wrap("createIdentity", log => this._session.createIdentity(log));
         }