fix(Upload/MessageEnter): 移除调试日志并完善文件类型判断逻辑

移除SimpleFileUpload组件中上传成功后的console.log
在MessageEnter组件中添加文件类型判断功能，根据文件扩展名确定消息类型并发送相应消息

Cunkebao/src/components/Upload/SimpleFileUpload/index.tsx

@@ -50,7 +50,6 @@ const SimpleFileUpload: React.FC<SimpleFileUploadProps> = ({
 
     try {
       const fileUrl = await uploadFile(file);
-      console.log("上传成功，文件URL:", fileUrl);
       onFileUploaded?.(fileUrl);
       message.success("文件上传成功");
     } catch (error: any) {