feat: add grid view for streams

js/src/features/particles/particle-preview.tsx

@@ -51,7 +51,7 @@ function MediaPreview({ particle }: { particle: Extract<Particle, { type: "media
   const durationLabel = `${Math.floor(durationSec / 60)}:${String(durationSec % 60).padStart(2, "0")}`;
 
   if (isVideo) {
-    return <VideoThumbnail particleId={particle.id} duration={durationLabel} />;
+    return <VideoThumbnail particleId={particle.properties.object_id} duration={durationLabel} />;
   }
 
   return (
@@ -102,7 +102,7 @@ function VideoThumbnail({
   return (
     <div className="relative h-full w-full bg-black">
       <video
-        src={url}
+        src={`${url}#t=2`}
         preload="metadata"
         muted
         playsInline