feat(posts): apply post sender display sub hanlde data to author prop…

…/attribute to display zid or wallet address (#2205)

src/components/messenger/feed/components/posts/index.tsx

@@ -12,6 +12,7 @@ export const Posts = ({ postMessages }) => {
             text={post.message}
             nickname={post.sender.firstName}
             timestamp={post.createdAt}
+            author={post.sender.displaySubHandle}
           />
         </li>
       ))}