Manage Books: Show Genre as drop-down (#511)

Author: PierreFritsch

fiori/app/admin-books/fiori-service.cds

@@ -81,3 +81,6 @@ extend service AdminService {
 
 // Workaround for Fiori popup for asking user to enter a new UUID on Create
 annotate AdminService.Books with { ID @Core.Computed; }
+
+// Show Genre as drop down, not a dialog
+annotate AdminService.Books with { genre @Common.ValueListWithFixedValues; }