fix(practice): 修复练习页面题目列表滚动和接口调用问题

- 为题目编号容器添加高度限制和滚动样式
- 修复练习列表页面接口地址错误，从 trainVideoList 改为 getQuestionTypes
- 优化题目列表的显示效果和用户体验

packageB/train/practice/startPracticingList.vue

@@ -126,10 +126,11 @@ function getDataList(type = 'add') {
 			pageSize:pageSize.value,
 			pageNum:pageNum.value
 		}
-		$api.myRequest('/train/public/trainVideo/trainVideoList', params).then((resData) => {
+		$api.myRequest('/train/public/trainQuestion/getQuestionTypes', params).then((resData) => {
 			dataList.value=dataList.value.concat(resData.rows)
 			totalNum.value=resData.total
 		});
+		
 	}
 }