A binding error is thrown in RadOpenFolderDialog when it is shown.

 System.Windows.Data Error: 40 : BindingExpression path error: 'IsSearchActive' property not found on 'object' ''OpenFolderDialogViewModel' (HashCode=65514185)'. BindingExpression:Path=IsSearchActive; DataItem='OpenFolderDialogViewModel' (HashCode=65514185); target element is 'FileDialogSearchPane' (Name=''); target property is 'IsSearchViewActive' (type 'Boolean')