Made display properties virtual: WTI-1980- Made them virtual in order to override the attributes in the derived classes for the custom ordering of the categories.
Incorporated comments 3543: WTI-1798- Got rid of the generic parameter on the synchronization service and in effect also on the consuming handlers and helpers
Incorporated comments 3543: WTI-1798- Introduced ClearIllustrationPoints on the StructuresCalculation interface in order to get rid of the generic parameter
Incorporated comments P/O: WTI-1956- Renamed foreshore category for the structures input property to keep the desired order of category names in the property panel.
