Made a tweak to prevent some odd looking keyboard transitions when going to conversation settings
Updated the PagedDatabaseObserver to not call 'onChangeUnsorted' on the main thread (now we can generate the changeset on the background thread so there is less main thread work)
Fixed an issue where the most recently received message from the swarm could be removed from the swarm yet the app would still poll for it, resulting in the swarm always returning the oldest possible messages until the user sends a new one-to-one message
Fixed an issue where the initial scroll offset could be incorrect due to certain message types
Fixed an issue where the title view inside a conversation could jump when pushing to the conversation settings screen
Refactored a couple of ObjC functions to Swift as they were crashing (due to memory allocation?) hopefully this will fix it
Tweaked some DispatchQueue priorities to ensure PagedDatabaseObserver loading is prioritised
Updated buttons to use a standard convention for highlighted states
Updated the new conversation button to follow the new highlighted state convention
Updated the YDB to GRDB migrations to include some progress when importing swarms & interactions (ie. the slow parts we can't properly show progress for)
Changed the MessageReceiveJob into a MessageHandlingJob (when receiving a message we now parse and store everything immediately to avoid a number of weird edge-cases)
Fixed a bug where the Poller would drop a Snode when returning from the background because it's last request would generally time out
Fixed a few bugs with invalid attachments
Added the ability to retry downloading a failed attachment
Added back the search results limit
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
