This was caused by OWSViewController.IsLandscapeOrientationEnabled being
hard-coded to return `NO`. Now, whether or not landscape orientation is
enabled will be based on whether the current device is an iPad.
Updated to the latest libSession version
Updated the 'hidden' logic to be based on a negative 'priority' value
Added an index on the Quote table to speed up conversation query
Fixed an odd behaviour with GRDB and Combine (simplified the interface as well)
Fixed an issue where migrations could fail
Removed the legacy Theme code (replaced with SessionUIKit equivalents)
Removed the OWSOrphanDataCleaner (unused)
Removed the OWSReceiptType_Delivery from the OWSOutgoingReceiptManager (unused)
Removed the TSStorageKeys and TSStorageHeaders files (unused)
Removed the LKMessageIDCollection (unused - only had methods for deleting data from the collection)
Removed the OWSPrimaryStorageTrustedKeysCollection and OWSIdentityManager_QueuedVerificationStateSyncMessages (unused)
Removed collections and notifications from OWSProfileManager (unused)