The search in the tutorial map is not not working

Like i said in the title its not working AT ALL. I think in the past it used to work maybe around 5-6 months ago but now it doesn't work at all like i can't name of the lesson and that show tasks button is also not working.
I hope you this fix this issue soon. Have a nice day😁.

首先，重现 issue 中描述的教程地图搜索失败问题以及无法工作的“Show tasks”按钮。追踪教程地图的入口点，并确定课程和任务筛选的预期行为；完成的标准是两个控件都恢复工作，并且相关交互已得到验证。

由索引模型根据 Issue 内容生成。