Refactor feeds to use react-query (#1862)

* Update to react-query v5

* Introduce post-feed react query

* Add feed refresh behaviors

* Only fetch feeds of visible pages

* Implement polling for latest on feeds

* Add moderation filtering to slices

* Handle block errors

* Update feed error messages

* Remove old models

* Replace simple-feed option with disable-tuner option

* Add missing useMemo

* Implement the mergefeed and fixes to polling

* Correctly handle failed load more state

* Improve error and empty state behaviors

* Clearer naming

src/view/com/post-thread/PostThreadItem.tsx

@@ -69,15 +69,11 @@ export function PostThreadItem({
   const postShadowed = usePostShadow(post, dataUpdatedAt)
   const richText = useMemo(
     () =>
-      post &&
-      AppBskyFeedPost.isRecord(post?.record) &&
-      AppBskyFeedPost.validateRecord(post?.record).success
-        ? new RichTextAPI({
-            text: post.record.text,
-            facets: post.record.facets,
-          })
-        : undefined,
-    [post],
+      new RichTextAPI({
+        text: record.text,
+        facets: record.facets,
+      }),
+    [record],
   )
   const moderation = useMemo(
     () =>