fix: reply count was bugged

src/hooks/use-reply-count.ts

@@ -0,0 +1,12 @@
+import { useMemo } from 'react';
+import { Comment } from '@plebbit/plebbit-react-hooks';
+import { flattenCommentsPages } from '@plebbit/plebbit-react-hooks/dist/lib/utils';
+
+const useReplyCount = (comment: Comment) => {
+  const replies = comment?.replies;
+  const flattenedReplies = useMemo(() => flattenCommentsPages(replies), [replies]);
+
+  return flattenedReplies.length;
+};
+
+export default useReplyCount;