Tree not loading on mobile

[spottedmahn]

Describe the bug Isn't the TOC tree supposed to load when hitting the hamburger menu? 🤔

To Reproduce Steps to reproduce the behavior:

1. Set window width to "narrow"
2. Click on the hamburger menu

what I get:

Expected behavior

Screenshots

Desktop (please complete the following information):

• OS: Win 10
• Browser: Chrome
• Version

Smartphone (please complete the following information):

• Device: iPhone 13
• OS: 15 something
• Browser: Safari
• Version:

Additional context