Add import, fix export

app/components/chat/ExportChatButton.tsx

@@ -1,14 +1,12 @@
 import WithTooltip from '~/components/ui/Tooltip';
 import { IconButton } from '~/components/ui/IconButton';
-import { exportChat } from '~/utils/chatExport';
 import React from 'react';
-import type { Message } from 'ai';
 
-export const ExportChatButton = ({description, messages}: {description: string, messages: Message[]}) => {
+export const ExportChatButton = ({exportChat}: {exportChat: () => void}) => {
   return (<WithTooltip tooltip="Export Chat">
     <IconButton
       title="Export Chat"
-      onClick={() => exportChat(messages || [], description)}
+      onClick={exportChat}
     >
       <div className="i-ph:download-simple text-xl"></div>
     </IconButton>