types(FlickeringGrid): minor types error

Author: NamesMT

apps/frontend/app/lib/shadcn/components/ui/flickering-grid/FlickeringGrid.vue

@@ -161,7 +161,7 @@ onMounted(() => {
   });
   intersectionObserver = new IntersectionObserver(
     ([entry]) => {
-      isInView.value = entry.isIntersecting;
+      isInView.value = entry!.isIntersecting;
       animationFrameId = requestAnimationFrame(animate);
     },
     { threshold: 0 },