fix(接口测试): 修复场景步骤另存用例问题

--bug=1024018 --user=赵勇 [接口测试]github#22473接口自动化中复制的API另存为CASE后，在新场景中引用该CASE，保存场景再次进入编辑，显示“原始API不存在” https://www.tapd.cn/55049933/s/1345838

Signed-off-by: fit2-zhao <yong.zhao@fit2cloud.com>

api-test/backend/src/main/java/io/metersphere/service/definition/ApiTestCaseService.java

@@ -438,6 +438,10 @@ public class ApiTestCaseService {
     private ApiTestCase createTest(SaveApiTestCaseRequest request, List<MultipartFile> bodyFiles) {
         checkNameExist(request);
         ApiFileUtil.createBodyFiles(request.getId(), bodyFiles);
+        if (request.getRequest() != null) {
+            request.getRequest().setRefType(MsHashTreeConstants.CASE);
+            request.getRequest().setEnable(true);
+        }
         request.setRequest(tcpApiParamService.parseMsTestElement(request.getRequest()));
         if (StringUtils.isNotBlank(request.getSourceIdByCopy())) {
             ApiFileUtil.copyBdyFile(request.getSourceIdByCopy(), request.getId());