Default folders multiselect

[ChristophWurst]

Steps to reproduce

1. Open the app
2. Configure an account
3. Open the account settings
4. Scroll to the Default folders section

Expected behavior

My eyes don't hurt

Actual behavior

Closed state

^ not centered

Open state

^ doesn't look designed at all. Borders. Border radius, etc.

Lost focus / close

Strange misplaced light blue border

Mail app version

2.0.0 beta 1

Mailserver or service

No response

Operating system

No response

PHP engine version

No response

Web server

No response

Database

No response

Additional info

No response