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)
Started cleaning up the TODOs
Fixed a couple of merge conflict issues
Fixed a bug with the state of attachments which failed to download
# Conflicts:
# SessionMessagingKit/Database/Models/Attachment.swift
Refactored the AppDelegate from Objective C to Swift
Updated the HomeVC to use GRDB
Refactored a number of the Job types to be driven via GRDB and the new JobRunner
Fixed a bug where the LinkPreviewView wouldn't render correctly in dark mode