refactor(性能测试): 性能测试下载zip使用流下载,兼容1.20升级上来的数据

performance-test/backend/src/main/java/io/metersphere/engine/EngineFactory.java

@@ -192,6 +192,10 @@ public class EngineFactory {
         if (CollectionUtils.isNotEmpty(resourceFiles)) {
             resourceFiles.forEach(cf -> {
                 InputStream in = fileMetadataService.getFileAsStream(cf.getId());
+                if (in == null) {
+                    byte[] bytes = fileMetadataService.loadFileAsBytes(cf.getId());
+                    in = new ByteArrayInputStream(bytes);
+                }
                 testResourceFiles.put(cf.getName(), in);
             });
         }