Minor release addressing some bugs.
- SCSD-359: Username/alias truncate in chats
- SI-2281: Some Settings would not enable due to cell reuse issues
- SCSD-401: Added ability to export file attachments from the conversation screen
- SCSD-401: Office (Word, Excel etc) attachments can now be opened from the conversation screen
- SCSD-408: Fixed background colour on edit group screen and improved clickability of edit button to reach this screen
- SCSD-406: Thumbnail is now sent when externally sharing an image into the app
- SCSD-412: App no longer enters an unlockable state after you send an attachment