Minor release addressing some bugs.

iOS 10.13.6

Bug Fixes

• SCSD-359: Username/alias truncate in chats
• SI-2281: Some Settings would not enable due to cell reuse issues

Android 10.13.6

Improvements

• SCSD-401: Added ability to export file attachments from the conversation screen

Bug Fixes

• 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