fix(接口测试): 修复运行环境变量无法删除的缺陷

--bug=1032690 --user=王孝刚 【项目设置】github#27449，接口测试运行环境变量无法删除
https://www.tapd.cn/55049933/s/1434380

framework/sdk-parent/frontend/src/components/environment/commons/ApiScenarioVariables.vue

@@ -260,6 +260,9 @@ export default {
 
       const allDataIndex = this.allData.findIndex((d) => d.name === index.name);
       this.allData.splice(allDataIndex, 1);
+
+      const itemsIndex = this.items.findIndex((d) => d.name === index.name);
+      this.items.splice(itemsIndex, 1);
       this.sortParameters();
       this.currentPage = Math.ceil(this.allData.length / this.pageSize);
       this.queryPage();