fix(接口测试): 修复接口用例环境保存失效的缺陷

--bug=1010689 --user=王孝刚 【接口测试】github#11051，接口用例环境保存失效
https://www.tapd.cn/55049933/s/1111109

frontend/src/business/components/api/definition/components/case/ApiCaseItem.vue

@@ -413,6 +413,7 @@ export default {
       let bodyFiles = this.getBodyUploadFiles(tmp);
       tmp.projectId = getCurrentProjectID();
       tmp.active = true;
+      tmp.request.useEnvironment = this.environment;
       tmp.apiDefinitionId = tmp.apiDefinitionId || this.api.id;
       let url = "/api/testcase/create";
       if (tmp.id) {