[Bug]: Database reset on quick open / close

[BoxBoxJason]

Describe the bug

The database gets reset if I open / close vscode in a very short period, before boot is done

Steps to reproduce

1. Open VSCode with Achievements extension activated
2. Close VSCode very quickly, before db has time to properly load

Expected behavior

Graceful shutdown

Actual behavior

Database reset

Environment

• Achievements extension version: 0.3.1
• VS Code version: 1.108.1