fix(测试跟踪): 多次点击功能用例模块树回收站不显示模块树

--bug=1015672 --user=陈建星 【测试跟踪】回收站列表切换到测试用例列表，点击用例列表的模块，会导致回收站左侧模块丢失 https://www.tapd.cn/55049933/s/1219989

frontend/src/business/components/track/case/TestCase.vue

@@ -748,7 +748,10 @@ export default {
       });
     },
     enableTrash(data) {
-      this.trashEnable = data;
+      this.trashEnable = !data;
+      this.$nextTick(() => {
+        this.trashEnable = data;
+      })
     },
     enablePublic(data) {
       this.publicEnable = !data;