feat: support GPT-4o #771 and hide the add button when the folder is a knowledge base (#775)

### What problem does this PR solve?

feat: support GPT-4o  #771 

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/chat/hooks.ts

@@ -518,6 +518,7 @@ export const useSendMessage = (
   const completeConversation = useCompleteConversation();
 
   const { handleClickConversation } = useClickConversationCard();
+  // const { send } = useConnectWithSseNext();
 
   const sendMessage = useCallback(
     async (message: string, id?: string) => {