refactor(MessageEnter): 移除未使用的表情选择器状态及相关代码

Cunkebao/src/pages/pc/ckbox/weChat/components/ChatWindow/components/MessageEnter/index.tsx

@@ -30,7 +30,6 @@ const { sendCommand } = useWebSocketStore.getState();
 const MessageEnter: React.FC<MessageEnterProps> = ({ contract }) => {
   const [inputValue, setInputValue] = useState("");
   const [showMaterialModal, setShowMaterialModal] = useState(false);
-  const [showEmojiPicker, setShowEmojiPicker] = useState(false);
 
   const handleSend = async () => {
     if (!inputValue.trim()) return;
@@ -108,7 +107,6 @@ const MessageEnter: React.FC<MessageEnterProps> = ({ contract }) => {
       content: `[${emoji.name}]`, // 表情以文本形式发送
     };
     sendCommand("CmdSendMessage", params);
-    setShowEmojiPicker(false);
   };
 
   return (