AccountManager: Update contact default to categories

Description

Make sure new accounts are created with default settings of Groups are per-contact categories and exisiting installations are migrated to Groups are per-contact categories as well

Issue(s)

e/backlog#700 (closed)

Test environment

Settings -> Accounts -> Contacts(/e/ Address book)) -> Account settings(Credentials, sync etc) -> Account Manager -> me@e.email -> Details, click wheel upper right -> ... Contact group method -> default value is Groups are per-contact categories

Test procedures

Technical details

Screenshots

Check list

• Self review
• Test procedure explained
• Tested on fresh install
• Tested applied as an update
• License
• Internal documentation
• User documentation