feat: Implement S3 avatar resolution for network connections, refine messaging initial conversation selection, and adjust profile display logic and header navigation.

src/components/message/MessagingPage.tsx

@@ -302,15 +302,15 @@ export function MessagingPage({ initialConversationId }: { initialConversationId
   }, [conversations]);
 
   // Auto-select conversation when navigated with initialConversationId
-  const initialConvHandledRef = useRef(false);
+  const initialConvHandledRef = useRef<string | null>(null);
   useEffect(() => {
     if (
       initialConversationId &&
-      !initialConvHandledRef.current &&
+      initialConvHandledRef.current !== initialConversationId &&
       conversations.length > 0 &&
       !isLoading
     ) {
-      initialConvHandledRef.current = true;
+      initialConvHandledRef.current = initialConversationId;
       selectConversation(initialConversationId);
     }
   }, [initialConversationId, conversations, isLoading, selectConversation]);