fix(接口定义): 修复接口定义带/导致转存性能测试失败的缺陷 (#17485)

--bug=1016355 --user=王孝刚 【接口测试】github#17452，接口自动化名字带 /
，转成性能测试保存会报错：文件上传失败 https://www.tapd.cn/55049933/s/1234397

Co-authored-by: wxg0103 <727495428@qq.com>

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

@@ -301,6 +301,7 @@ public class EngineFactory {
         try {
             Element hashTree = null;
             Document rootDocument = null;
+            if (CollectionUtils.isNotEmpty(jmxFiles)) {
                 for (FileMetadata fileMetadata : jmxFiles) {
                     // 兼容处理
                     byte[] bytes = fileMetadataService.loadFileAsBytes(fileMetadata.getId());
@@ -344,10 +345,10 @@ public class EngineFactory {
 
                         }
                     }
-                //
                     inputSource.close();
                 }
                 return EngineSourceParserFactory.getBytes(rootDocument);
+            }
         } catch (Exception e) {
             MSException.throwException(e);
         }

frontend/src/business/components/performance/test/components/ExistScenarios.vue

@@ -143,6 +143,9 @@ export default {
         let data = returnData.scenarioJmxList;
         data.forEach(d => {
           let jmxName = d.name + "_" + new Date().getTime() + ".jmx";
+          if (jmxName.indexOf("/") !== -1) {
+            jmxName = jmxName.replace(/\//g, "");
+          }
           let threadGroups = findThreadGroup(d.jmx, jmxName);
           threadGroups.forEach(tg => {
             tg.options = {};