Fix savings chat autoscroll

src/pages/SavingsChatPage.tsx

@@ -12,6 +12,7 @@ import {
   AgentPromptInput,
   type AgentChatMessage,
 } from "@/components/chat/AgentChat";
+import { scrollConversationToBottom } from "@/components/chat/agentChatModel";
 import { ChatHistory, type ChatHistoryItem } from "@/components/chat/ChatHistory";
 import { toast } from "sonner";
 
@@ -278,7 +279,7 @@ export function SavingsChatPage() {
   };
 
   useEffect(() => {
-    listRef.current?.lastElementChild?.scrollIntoView({ behavior: "smooth" });
+    scrollConversationToBottom(listRef.current);
   }, [displayMessages.length, activeSessionId]);
 
   useEffect(() => {