fix: Multiple API calls when bypassing /login

frontend/src/pages/login.tsx

@@ -18,6 +18,7 @@ interface IProps {
     authenticated: boolean;
     history: any;
 
+    didLogin: boolean;
     setLoading: (state: boolean) => void;
     setSnackbar: (state: boolean, msg: string) => void;
     loading: boolean;
@@ -54,7 +55,11 @@ const LoginPageWithRouter = withRouter(
 
         componentDidMount() {
             // If we're already authenticated, we can skip the login page
-            if (this.props.authenticated) {
+            // NOTE: The '!this.props.didLogin' is here, as the Component gets
+            //       remounted, when the auth status changes. Thus we would
+            //       redirect to /dashboard, redirect back to /welcome
+            //       (or /dashboard again) and cause mulitple API calls!
+            if (this.props.authenticated && !this.props.didLogin) {
                 this.props.history.push("/dashboard");
             }
         }