feat: tailwind related improvement (#6085)

web/app/components/base/chat/embedded-chatbot/chat-wrapper.tsx

@@ -1,5 +1,4 @@
 import { useCallback, useEffect, useMemo } from 'react'
-import cn from 'classnames'
 import Chat from '../chat'
 import type {
   ChatConfig,
@@ -9,6 +8,7 @@ import { useChat } from '../chat/hooks'
 import { useEmbeddedChatbotContext } from './context'
 import ConfigPanel from './config-panel'
 import { isDify } from './utils'
+import cn from '@/utils/classnames'
 import {
   fetchSuggestedQuestions,
   getUrl,