fix(接口测试): 测试计划关联功能用例版本过滤没有刷新模块树

--bug=1015227 --user=陈建星 【测试跟踪】测试计划-关联功能用例，按照版本过滤后，左侧模块树未同步过滤 https://www.tapd.cn/55049933/s/1209643

frontend/src/business/components/track/plan/view/comonents/functional/FunctionalRelevance.vue

@@ -287,6 +287,7 @@ export default {
     changeVersion(currentVersion) {
       this.page.condition.versionId = currentVersion || null;
       this.getTestCases();
+      this.getProjectNode(this.projectId, this.page.condition);
     },
     setSelectCounts(data) {
       this.$refs.baseRelevance.selectCounts = data;