message: Read the default app desktop files from full path to fix settings persistance bug
diff: @@ -245,7 +245,7 @@ void page_defaultapps::setdefaultitem(){
  //Now set the items
  for(int i=0; i<list.length(); i++){
  //Set it in the back end
  - LXDG::setDefaultAppForMime(list[i]->whatsThis(0), app.section("/",-1));
  + LXDG::setDefaultAppForMime(list[i]->whatsThis(0), app);
  //Set it in the UI
  XDGDesktop desk(app);
  list[i]->setWhatsThis(1,app); //app path
  