fix: video thumbnail not rendering if video message is sent while offline

Author: vishalnarkhede

package/src/components/Attachment/Gallery.tsx

@@ -170,13 +170,17 @@ const GalleryWithContext = <
   };
 
   const imagesAndVideos = [...(images || []), ...(videos || [])];
+  const imagesAndVideosValue = `${images?.length}${videos?.length}${images
+    ?.map((i) => `${i.image_url}${i.thumb_url}`)
+    .join('')}${videos?.map((i) => `${i.image_url}${i.thumb_url}`).join('')}`;
+
   const { height, invertedDirections, thumbnailGrid, width } = useMemo(
     () =>
       buildGallery({
         images: imagesAndVideos,
         sizeConfig,
       }),
-    [imagesAndVideos.length],
+    [imagesAndVideosValue],
   );
 
   if (!imagesAndVideos?.length) return null;

package/src/components/Channel/Channel.tsx

@@ -1270,6 +1270,9 @@ const ChannelWithContext = <
             ? await doDocUploadRequest(file, channel)
             : await channel.sendFile(file.uri, file.name, file.type);
           attachment.asset_url = response.file;
+          if (response.thumb_url) {
+            attachment.thumb_url = response.thumb_url;
+          }
           delete attachment.originalFile;
           dbApi.updateMessage({
             message: { ...updatedMessage, cid: channel.cid },