Created a generic PagedDatabaseObserver (common logic for conversation & gallery paged database queries and observation)
Updated the MediaGallery to use the PagedDatabaseObserver
Split the interaction and thread data queries for the conversationVC
Got mentions working again
Got typing indicators working again
Got the notification sound and preview preferences working
Fixed a few issues with attachment image loading
Fixed an issue where enum settings weren't getting stored correctly
Added some missing localised strings
Prevented 'Read' and 'Typing' indicators from functioning on Message Requests
Prevented link previews on the first message of a message request
Added a confirmation alert when trying to clear all message requests
Added a confirmation alert when trying to delete a message request
Added an empty state to the MessageRequestsViewController
Updated the back behaviour of the ConversationVC to behave more nicely with approving/declining message requests
Updated the OWSBlockingManager to also update the stored contacts 'isBlocked' flag to match