Bugfixes

• DeviceConfig gets overwritten when loading #3981
• Show buy dialog when there is no price change. #3949
• No user can be created if it does not change the overall price #3946
• Contact form can not be deleted after deactivating whitelabel #3747

Milestone

https://github.com/tutao/tutanota/milestone/202?closed=1

APK Checksum

SHA256: 04d31503dd88ce20484476ad708c8f9966875652a43fc364b0adb814a4684d70