[New: openFATE 316097] Load package selector and libzypp only when needed

Feature added by: Matthias Eckermann (mge1512) Feature #316097, revision 1 Title: Load package selector and libzypp only when needed Requested by: Jiri Srain (jsrain) Partner organization: openSUSE.org Description: The YaST2 UI should load the code for the package selector and libzypp only when needed. Not all applications / YaST2 modules need package selection code, yet for all of them the respective code from the YaST2 UI and libzypp is loaded. -- openSUSE Feature: https://features.opensuse.org/316097