Move the orientation value into its own singleton; it's not directly
coffee related, and we want to make use of it in many places, including
ui files, where we don't really want to have a dependency
ApplicationForm (so that they can be still be opened in QDS).
Pick-to: 6.10
Task-number: QTBUG-138164
Change-Id: Ib60fe29e814af2e564a33239ba36afd0d7bf9537
Reviewed-by: Olivier De Cannière <olivier.decanniere@qt.io>
Fabian Kosmale