Fix copying of messages on the same online IMAP server (Kolab issue 1844).
Fix copying of messages on the same online IMAP server (Kolab issue 1844).

svn path=/branches/kdepim/enterprise/kdepim/; revision=686451

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