Sorted out some more threading issues
Removed a redundant SyncPushTokensJob run
Fixed an issue where the NotificationServiceExtension could incorrectly setup the database before setting up it's context
Fixed a few warnings
Removed a bunch of legacy code
Refactored the MainAppContext from Objective C into Swift
Fixed an issue where returning the app from the background would result in the app staying permanently on the splash screen
Included a CRC32 implementation so we can drop the CryptoSwift dependenciy (using CryptoKit everywhere else)
Removed 'SocketRocket' (unused)
Removed the `xcode_14_3_workaround` post-install hook (fixed with CocoaPods 1.12.1)
Removed the `enable_fts5_support` post-install hook (enabled by default since GRDB 6.7.0 so redundant)
Removed the `enable_whole_module_optimization_for_crypto_swift` post-install hook (dropped CryptoSwift support)
Cleared out a bunch of headers from the Signal-Bridging-header file (direct imports instead to reduce incremental build sizes)
Deleted some unused code
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
Copy tweak
Added a toast when copying the sessionId or group URL (fixes to the toast UI as well)
Fixed the new conversation screen styling
Fixed the styling of the various attachment screens
Updated the buttons on the attachment screen to behave like the input view buttons
Removed the old OWSNavigationBar and OWSNavigationController (logic was buggy and not actually needed in most cases)