fix: add missing error on onboarding page

Author: ivan-dalmet

app/features/auth/page-onboarding.tsx

@@ -31,6 +31,9 @@ export const PageOnboarding = () => {
         toast.success(`Welcome ${variables.name}`);
         session.refetch();
       },
+      onError: () => {
+        toast.error('Failed to finish onboarding');
+      },
     })
   );