fix(测试跟踪): 关联用例切换协议未清空模块

--bug=1023373 --user=宋昌昌 【测试跟踪】功能用例-编辑-关联接口测试用例-HTTP选中模块-切换协议-未显示数据 https://www.tapd.cn/55049933/s/1338377

test-track/frontend/src/business/case/components/case/relate/ApiModule.vue

@@ -236,6 +236,7 @@
             });
             this.$emit('setModuleOptions', this.data);
             this.$emit('setNodeTree', this.data);
+            this.$emit("nodeSelectEvent", null, []);
             if (this.$refs.nodeTree) {
               this.$refs.nodeTree.filter(this.condition.filterText);
             }
@@ -351,4 +352,3 @@
   <style scoped>
 
   </style>
-