fix: 修复编辑场景时创建人变了的问题

--bug=1009528 --user=刘瑞斌 【接口测试】github#9217，场景创建人会自动修改 https://www.tapd.cn/55049933/s/1091319

Closes #9217

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

@@ -352,7 +352,7 @@ public class ApiAutomationService {
         deleteUpdateBodyFile(scenario, beforeScenario);
         List<ApiMethodUrlDTO> useUrl = this.parseUrl(scenario);
         scenario.setUseUrl(JSONArray.toJSONString(useUrl));
-
+        scenario.setCreateUser(null); // 更新时不更新创建人
         ApiScenarioExample example = new ApiScenarioExample();
         example.createCriteria().andIdEqualTo(scenario.getId()).andVersionIdEqualTo(request.getVersionId());
         if (apiScenarioMapper.updateByExampleSelective(scenario, example) == 0) {