fix(post): render OP backlinks from replies quoting OP

src/components/post-desktop/post-desktop.tsx

@@ -76,7 +76,6 @@ const PostInfo = ({
   onApprove,
   onReject,
   quotedByMap,
-  cidToReply,
 }: PostProps) => {
   const { t } = useTranslation();
   const { author, cid, deleted, locked, pinned, parentCid, postCid, reason, removed, state, subplebbitAddress, timestamp } = post || {};
@@ -442,11 +441,12 @@ const PostInfo = ({
         {cid &&
           !parentCid &&
           isInPostPageView &&
-          cidToReply &&
-          [...new Set<string>((post?.quotedCids || []) as string[])].map((quotedCid) => {
-            const reply = cidToReply.get(quotedCid);
-            return reply?.cid && !(reply.deleted || reply.removed) && <ReplyQuotePreview key={`op-bl-${reply.cid}`} isBacklinkReply={true} backlinkReply={reply} />;
-          })}
+          quotedByMap
+            ?.get(cid)
+            ?.map(
+              (reply: Comment) =>
+                reply?.cid && !(reply?.deleted || reply?.removed) && <ReplyQuotePreview key={`op-bl-${reply.cid}`} isBacklinkReply={true} backlinkReply={reply} />,
+            )}
       </span>
     </div>
   );
@@ -690,14 +690,6 @@ const PostDesktop = ({
     return map;
   }, [filteredReplies, numberToCid]);
 
-  const cidToReply = useMemo(() => {
-    const map = new Map<string, Comment>();
-    for (const reply of filteredReplies) {
-      if (reply.cid) map.set(reply.cid, reply);
-    }
-    return map;
-  }, [filteredReplies]);
-
   // Virtuoso scroll position management for infinite replies
   const virtuosoRef = useRef<VirtuosoHandle | null>(null);
   const virtuosoStateKey = `replies-desktop-${cid}`;
@@ -786,7 +778,7 @@ const PostDesktop = ({
             isPublishing={isPublishing}
             onApprove={onApprove}
             onReject={onReject}
-            cidToReply={cidToReply}
+            quotedByMap={quotedByMap}
           />
           {!isHidden && !content && !(deleted || removed) && <div className={styles.spacer} />}
           {!isHidden && <CommentContent comment={post} />}