Chat Widget, changes in nav bar

Auto Scroll chat and changes in Nav bar

web/app/chat/page.js

@@ -32,10 +32,16 @@ function ChatPage() {
     }
   }, [authLoading, user, router, conversationIdParam]);
 
-  useEffect(() => {
+ const prevMsgLengthRef = useRef(0);
+
+useEffect(() => {
+  if (messages.length > prevMsgLengthRef.current) {
     messagesEndRef.current?.scrollIntoView({ behavior: "smooth" });
+  }
+  prevMsgLengthRef.current = messages.length;
   }, [messages]);
 
+
   const fetchMessages = useCallback(async (convId) => {
     if (!token || !convId) return;
     try {