fix(接口测试): 点击切换api和cae的tab页，模块树没有更新的缺陷

--bug=1025641 --user=王孝刚
【接口测试】接口定义-API-输入关键字筛选-切换到CASE-再切换到API页面-搜索条件清空-模块树未数量未更新
https://www.tapd.cn/55049933/s/1365039

api-test/frontend/src/business/automation/scenario/component/ApiComponent.vue

@@ -277,7 +277,7 @@ export default {
       if (this.node.parent && this.node.parent.data && this.node.parent.data.length > 1) {
         this.request.projectId = getCurrentProjectID();
       }else {
-        this.request.projectId = this.node.parent.data.projectId;
+        this.request.projectId = this.node.parent.data[0].projectId;
       }
     }
     if (this.currentScenario) {

api-test/frontend/src/business/definition/ApiDefinition.vue

@@ -1093,6 +1093,8 @@ export default {
     },
     changeTab(active) {
       this.activeDom = active;
+      this.$EventBus.$emit('apiConditionBus', {});
+      this.$refs.nodeTree.list();
     },
   },
 };