feat: remove redundant set sessionid

Author: tuna1207

src/Web3Auth.ts

@@ -638,9 +638,8 @@ class Web3Auth implements IWeb3Auth {
     };
     const sessionId = SessionManager.generateRandomSessionKey();
     this.sessionManager.sessionId = sessionId;
-    await this.keyStore.set("sessionId", sessionId);
     await this.sessionManager.createSession(authSessionData);
-    this.sessionManager.sessionId = sessionId;
+    await this.keyStore.set("sessionId", sessionId);
 
     this.updateState(authSessionData);
   }