fix(replies): refresh thread backlinks from live account replies (#1058)

* fix(replies): refresh thread backlinks from live account replies

* refactor(replies): extract useRegisterFreshReplies hook per CodeRabbit

src/hooks/use-fresh-replies.ts

@@ -0,0 +1,38 @@
+import { useMemo } from 'react';
+import { Comment, useAccountComments } from '@bitsocialnet/bitsocial-react-hooks';
+
+const useFreshReplies = (replies: Comment[] = []) => {
+  const { accountComments } = useAccountComments();
+
+  return useMemo(() => {
+    if (!replies.length || !accountComments?.length) {
+      return replies;
+    }
+
+    const accountCommentsByIndex = new Map<number, Comment>();
+    for (const accountComment of accountComments) {
+      if (typeof accountComment?.index === 'number') {
+        accountCommentsByIndex.set(accountComment.index, accountComment);
+      }
+    }
+
+    let hasFreshReplies = false;
+    const nextReplies = replies.map((reply) => {
+      if (typeof reply?.index !== 'number') {
+        return reply;
+      }
+
+      const freshReply = accountCommentsByIndex.get(reply.index);
+      if (!freshReply) {
+        return reply;
+      }
+
+      hasFreshReplies = true;
+      return freshReply;
+    });
+
+    return hasFreshReplies ? nextReplies : replies;
+  }, [accountComments, replies]);
+};
+
+export default useFreshReplies;