Properly fixed the busted migration issue
Updated to the latest version of Quick and Nimble (unit testing libraries)
Updated the tests based on the above
Cleaned up the Dependencies so that tests can run synchronously without having to custom set queues as much
Sorted out the crypto and network dependencies to avoid needing weird dependency inheritance
Fixed the flaky tests so they are no longer flaky
Fixed some unexpected JobRunner behaviours
Updated the CI config to use a local build directory for derivedData (now works with build tweaks)
Fixed a possible divide by zero error
Cleaned up some of the id blinding methods (ie. removing handling for impossible error states)
Added unit tests for the new Sodium methods (used for id blinding)
Added unit tests for some of the shared code
Added unit tests for the MessageSender+Encryption extension functions
Added unit tests for the MessageReceiver+Decryption extension functions
Updated the unit test key constants to be consistent with the SOGS auth-example keys for consistency