fix(infra):修复文件上传路径生成逻辑

- 修改文件名生成方式，使用UUID确保唯一性
-保留原文件扩展名，避免文件类型丢失
- 确保文件路径包含完整文件名和扩展名

jeelowcode-service/jeelowcode-service-infra-biz/src/main/java/com/jeelowcode/service/infra/controller/FileController.java

@@ -67,7 +67,7 @@ public class FileController {
         String path = publicPath + fileName;
 
         fileName = fileService.getUniqueFileName(fileName, path);
-        path = publicPath + fileName;
+        path = publicPath + IdUtil.simpleUUID() + (StrUtil.isEmpty(FileUtil.extName(fileName)) ? "" : ("." + FileUtil.extName(fileName)));
 
         return success(fileService.createFile(fileName, path, IoUtil.readBytes(file.getInputStream())));
     }