There is a "kaddressbook import" menu entry in the "lost & found" category. It doesn't seem to do anything when launched, I'm not sure it is supposed to appear in the menu. In any case it should be categorized Reproducible: Always
Git commit 824c18980c214019d834ab0ae4fa8b68b42a9685 by Montel Laurent. Committed on 08/03/2014 at 11:50. Pushed by mlaurent into branch 'KDE/4.13'. Fix Bug 331873 - "kaddressbook import" menu entry FIXED-IN: 4.13 M +2 -0 kaddressbook/kaddressbook-importer.desktop http://commits.kde.org/kdepim/824c18980c214019d834ab0ae4fa8b68b42a9685
FYI Hidden means deleted. You may as well not install the desktop file.