fix: fix sso redirect issue

apps/web/src/vector/app.tsx

@@ -127,6 +127,13 @@ export async function loadApp(urlParams: URLParams, matrixChatRef: React.Ref<Mat
         autoRedirect = true;
     }
 
+    // If user has a session and is on welcome/landing, redirect to home
+    if (hasPossibleToken && isWelcomeOrLanding && !isReturningFromSso) {
+        logger.log("User has session, redirecting from welcome to home");
+        window.location.hash = "#/home";
+        // Continue loading the app normally
+    }
+
     // getInitialScreenAfterLogin has a side effect to write to sessionStorage, perform it before auto-redirect
     const initialScreenAfterLogin = getInitialScreenAfterLogin(window.location);