Make slotRefreshKey() fall back to slotAddKey() if no item with that key was found.
Make slotRefreshKey() fall back to slotAddKey() if no item with that key was found.

svn path=/trunk/kdepim/; revision=304219

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