fix(场景导入): 修复覆盖导入场景没有order的问题

--bug=1009819 --user=刘瑞斌 【接口测试】导入jmx场景选择覆盖报错 https://www.tapd.cn/55049933/s/1095972

backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java

@@ -1222,6 +1222,7 @@ public class ApiAutomationService {
                 scenarioWithBLOBs.setId(existScenario.getId());
                 scenarioWithBLOBs.setRefId(existScenario.getRefId());
                 scenarioWithBLOBs.setVersionId(apiTestImportRequest.getUpdateVersionId());
+                scenarioWithBLOBs.setOrder(existScenario.getOrder());
                 scenarioWithBLOBs.setNum(existScenario.getNum());
                 List<ApiMethodUrlDTO> useUrl = this.parseUrl(scenarioWithBLOBs);
                 scenarioWithBLOBs.setUseUrl(JSONArray.toJSONString(useUrl));