Only enable when defaultScheduleId is truthy (#9968)

apps/web/components/getting-started/steps-views/SetupAvailability.tsx

@@ -22,15 +22,13 @@ const SetupAvailability = (props: ISetupAvailabilityProps) => {
   const { nextStep } = props;
 
   const router = useRouter();
-  let queryAvailability;
-  if (defaultScheduleId) {
-    queryAvailability = trpc.viewer.availability.schedule.get.useQuery(
-      { scheduleId: defaultScheduleId },
-      {
-        enabled: router.isReady,
-      }
-    );
-  }
+
+  const queryAvailability = trpc.viewer.availability.schedule.get.useQuery(
+    { scheduleId: defaultScheduleId! },
+    {
+      enabled: router.isReady && !!defaultScheduleId,
+    }
+  );
 
   const availabilityForm = useForm({
     defaultValues: {