Fix serialization of ids.

backend/src/Squidex/Config/Domain/SerializationServices.cs

@@ -64,6 +64,7 @@ namespace Squidex.Config.Domain
             options.Converters.Add(new StringConverter<DomainId>());
             options.Converters.Add(new StringConverter<NamedId<DomainId>>());
             options.Converters.Add(new StringConverter<NamedId<Guid>>());
+            options.Converters.Add(new StringConverter<NamedId<long>>());
             options.Converters.Add(new StringConverter<NamedId<string>>());
             options.Converters.Add(new StringConverter<Language>());
             options.Converters.Add(new StringConverter<PropertyPath>(x => x));

backend/tests/Squidex.Domain.Apps.Core.Tests/TestHelpers/TestUtils.cs

@@ -105,6 +105,7 @@ namespace Squidex.Domain.Apps.Core.TestHelpers
             options.Converters.Add(new StringConverter<DomainId>());
             options.Converters.Add(new StringConverter<NamedId<DomainId>>());
             options.Converters.Add(new StringConverter<NamedId<Guid>>());
+            options.Converters.Add(new StringConverter<NamedId<long>>());
             options.Converters.Add(new StringConverter<NamedId<string>>());
             options.Converters.Add(new StringConverter<Language>());
             options.Converters.Add(new StringConverter<RefToken>());

backend/tests/Squidex.Infrastructure.Tests/TestHelpers/TestUtils.cs

@@ -74,6 +74,7 @@ namespace Squidex.Infrastructure.TestHelpers
             options.Converters.Add(new StringConverter<DomainId>());
             options.Converters.Add(new StringConverter<NamedId<DomainId>>());
             options.Converters.Add(new StringConverter<NamedId<Guid>>());
+            options.Converters.Add(new StringConverter<NamedId<long>>());
             options.Converters.Add(new StringConverter<NamedId<string>>());
             options.Converters.Add(new StringConverter<Language>());
             options.Converters.Add(new StringConverter<RefToken>());