- Rename a file as 'filename (copy x).ext' (instead of 'filename.x.ext') if a file with the same name already exists.
- Fixed bad renaming of a file that already has "(copy x)" suffix in its name. Fixes: https://bugs.launchpad.net/bugs/1432403, https://bugs.launchpad.net/bugs/1432408.
Approved by Ubuntu Phone Apps Jenkins Bot, Stefano Verzegnassi, Alan Pope .