Revert "Binding Enum values to multi selection control"

This reverts commit ee26b5f8dab44444fdce9f1bd8541140fac79f37.
Revert "Revert "Binding Enum values to multi selection control""

This reverts commit ffd0b727b27f805719ed5c5f4104780078b2748c.
Removed the SelectionMode dependancy property