* Sync Settings
* Added valueHandlers and Database singleton
Some issues remain, need a way to comparing incoming sql.DB to check if the connection is to a different file or not. Maybe make singleton instance per filename
* Added functionality to check the sqlite filename
* Refactor of Database.SaveSyncSettings to be used as a handler
* Implemented inteface for setting sync protobuf factories
* Refactored and completed adhoc send setting sync
* Tidying up
* Immutability refactor
* Refactor settings into dedicated package
* Breakout structs
* Tidy up
* Refactor of bulk settings sync
* Bug fixes
* Addressing feedback
* Fix code dropped during rebase
* Fix for db closed
* Fix for node config related crashes
* Provisional fix for type assertion - issue 2
* Adding robust type assertion checks
* Partial fix for null literal db storage and json encoding
* Fix for passively handling nil sql.DB, and checking if elem has len and if len is 0
* Added test for preferred name behaviour
* Adding saved sync settings to MessengerResponse
* Completed granular initial sync and clock from network on save
* add Settings to isEmpty
* Refactor of protobufs, partially done
* Added syncSetting receiver handling, some bug fixes
* Fix for sticker packs
* Implement inactive flag on sync protobuf factory
* Refactor of types and structs
* Added SettingField.CanSync functionality
* Addressing rebase artifact
* Refactor of Setting SELECT queries
* Refactor of string return queries
* VERSION bump and migration index bump
* Deactiveate Sync Settings
* Deactiveated preferred_name and send_status_updates
Co-authored-by: Andrea Maria Piana <andrea.maria.piana@gmail.com>
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