Which Umbraco version are you using?

15.4.0-rc

Bug summary

If there are a lot of user groups in Umbraco and you're going to filter users, you can't select groups truncated by your screen size

Specifics

No response

Steps to reproduce

1. Create more than 28 user groups
2. Open "Users" menu item
3. There is no scroll

Expected result / actual result

Actual: there is no scroll for a lot of items in dropdowns
Expected: there is a scroll for a lot of items in dropdowns