Return boolean for new user

src/screens/AutoSignIn.tsx

@@ -59,7 +59,7 @@ export const AutoSignIn = () => {
   useEffect(() => {
     const getAccountAddress = async (event: MessageEvent) => {
       if (event.data.type !== 'GET_ACCOUNT_ADDRESS') return;
-
+      let isNewUser = false;
 
       if (event.data.secret !== process.env.REACT_APP_AUTH_SECRET) {
         console.log('Unauthorized app.');
@@ -72,6 +72,8 @@ export const AutoSignIn = () => {
         console.log("Accounts not found, creating wallet...");
         await createWallet(networksData);
 
+        isNewUser = true
+
         // Re-fetch newly created accounts
         accountsData = await getAccountsData(event.data.chainId);
       }
@@ -80,7 +82,7 @@ export const AutoSignIn = () => {
         return;
       }
 
-      sendMessage(event.source as Window, 'ACCOUNT_ADDRESS_RESPONSE', accountsData[0].address, event.origin);
+      sendMessage(event.source as Window, 'ACCOUNT_ADDRESS_RESPONSE', { address: accountsData[0].address, isNewUser }, event.origin);
     };
 
     window.addEventListener('message', getAccountAddress);