Fix copying messages between folders on the same imap account.
Fix copying messages between folders on the same imap account.

svn path=/trunk/kdepim/; revision=223574

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi