Cannot read properties of undefined (reading 'id') | Preview Problem command not works

## 🐛 Bug Report

"LeetCode: Preview Problem" not work

## To Reproduce

When I open a "leetcode file",and use "LeetCode: Preview Problem" command, It not works


## Your Environment

- *os*:win
- *extension settings*:
- *nodejs version*:16.14.0
- *vscode version*:1.71
- *extension version*:0.18.1
