fix(测试跟踪): 修复创建测试用例后删除用例会删除列表中同名用例问题

--bug=1025830 --user=郭雨琦
https://www.tapd.cn/55049933/bugtrace/bugs/view/1155049933001025830

test-track/backend/src/main/java/io/metersphere/service/TestCaseService.java

@@ -228,7 +228,7 @@ public class TestCaseService {
             //新创建测试用例，默认使用最新版本
             request.setRefId(request.getId());
             request.setVersionId(baseProjectVersionMapper.getDefaultVersion(request.getProjectId()));
-        } else if (StringUtils.isBlank(request.getRefId()) && StringUtils.isNotBlank(request.getVersionId())) {
+        } else if (StringUtils.isNotBlank(request.getVersionId())) {
             //从版本选择直接创建
             request.setRefId(request.getId());
         }