Maybe fix row generation

src/view/com/posts/PostFeed.tsx

@@ -323,12 +323,19 @@ let PostFeed = ({
         })
       } else if (data) {
         let sliceIndex = -1
-        for (const page of data?.pages) {
+
         if (isVideoFeed && isNative) {
           const rows: FeedPostSliceItem[][] = []
-            for (let i = 0; i < page.slices.length; i++) {
-              const slice = page.slices[i]
-              const root = slice.items.at(0)
+          let slices: {slice: FeedPostSlice; index: number}[] = []
+          for (const page of data.pages) {
+            for (const slice of page.slices) {
+              slices.push({slice, index: sliceIndex++})
+            }
+          }
+
+          for (let i = 0; i < slices.length; i++) {
+            const slice = slices[i]
+            const root = slice.slice.items.at(0)
             if (!root) continue
             // TODO test this
             if (!AppBskyEmbedVideo.isView(root.post.embed)) {
@@ -345,7 +352,6 @@ let PostFeed = ({
 
           for (const row of rows) {
             sliceIndex++
-
             arr.push({
               type: 'videoGridRow',
               key: row.map(r => r._reactKey).join('-'),
@@ -354,6 +360,7 @@ let PostFeed = ({
             })
           }
         } else {
+          for (const page of data?.pages) {
             for (const slice of page.slices) {
               sliceIndex++