fix(接口测试): 修复删除最后一个场景后弹出已有场景列表的bug

frontend/src/business/components/api/test/components/ApiScenarioConfig.vue

@@ -147,6 +147,7 @@ export default {
     deleteScenario(index) {
       this.scenarios.splice(index, 1);
       if (this.scenarios.length === 0) {
+        this.type = this.types.CREATE;
         this.createScenario();
         this.select(this.scenarios[0]);
       }