Updated the code to use the libSession encrypt/decrypt functions for the 'groupKicked' message
Updated the code to use the libSession function to load the admin key when receiving a promotion instead of reloading the config state
Changed the NotificationsManager and NotificationActionHandler to be injected via dependencies instead of the Environment
Mocked out the NotificationsManager for unit testing
Started adding logic to subscribe and unsubscribe for updated group push notifications
Updated the keychain service to be injected via dependencies
Reworked the Dependencies logic to avoid a concurrent access issue
Fixed an issue where some keychain data might not be cleared in some cases
Fixed an issue where being kicked and readded to a group would make it seem to disappear ("invited" message wasn't getting created)
Added logic to handle promotion messages
Added a debounced toast for promotion failures
Added support for the 'delete_before' and 'attach_delete_before' functionality
Added in the deprecated legacy groups banner.
Cleaned up the UserListViewModel a little
Updated the 'User count' header subtitle to take the user to the 'Group Members' or 'Edit Group' screens based on admin status
Updated the sorting of the group member lists to match the requirements
Fixed the debounced group invite failure toast
Fixed an issue where some libSession errors wouldn't get propagated back into the Swift code resulting in invalid database changes
Fixed an issue where admins couldn't properly leave groups