Integrate with GNOME Contacts

Epic: https://source.puri.sm/Librem5/use-cases/issues/1, https://source.puri.sm/Librem5/use-cases/issues/95

• Show names of callers in call history
• Allow to add numbers from call history list to Contacts contact
• Show contacts list
• Allow dialing numbers from contacts list
• Allow dialing numbers from Contacts itself (see also Apps_Issues#50 (closed))
• Phone Essentials
• Phone Essentials List
• Integrate Contacts information in call display window
• can not delete entries from recent calls list
• CallsBestMatchView is not updated properly when a contact's phone number is changed in Contacts