Group selector does not scroll with many groups

[bobjoe12131]

Checklist

• I've checked that this bug is not already reported.
• I'm using the latest version of Mako.
• The title describes the bug clearly.

Android Version

Android 16, Graphene OS

Bug description

When there are many groups in the group selector, I can not scroll down to select groups at the bottom.

Steps to reproduce

1. Go to settings.
2. Add 18+1 groups (or more if 19 doesn't overflow)
3. Go back to home and try to move an app to the bottom group.

Additional information

[pomboverso]

that's no bueno, I'll take a look in a while

[pomboverso]

it's gonna be available in v37

#104