sven: first setup paner geometry, then show => les flicker AND keeps       first folder's geometry from config.
sven: first setup paner geometry, then show => les flicker AND keeps
      first folder's geometry from config.

svn path=/trunk/kdenetwork/kmail/; revision=16406

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