Custom Dialog demo on android does not work

[alschmiedt]

Describe the bug

To Reproduce

1. Go to the custom dialogs demo on an android device
2. Hit create variable button
3. Notice no dialog opens.

Steps to reproduce the behavior:

Expected behavior
Dialog should open

Screenshots

Desktop (please complete the following information):

• OS: android
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: pixel 4
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Stack Traces

Replace with error stack trace.

Additional context

[rachel-fenichel]

Still repros.