--the menu is sending the containment id to
Latte::Corona and afterwards calls for the menu
data. These data now are including also the view
type, memory usage, active layout name and of
course the full layouts list shown to menu.
This is improvement from D18918.
-- Latte screen ids are different from plasma
screen ids. This class helps in order to help
translating the different screen ids between
Latte and Plasma.