DataIndex crashes on start if process included multi-instance process

The data-index crashes on start of process with a multi-instance process. This doesn't happen when starting using Quarkus dev services, only with a standalone data-index when the data-index tries to parse the domain specific schema.

data-index            | 2022-06-05 04:41:59,498 ERROR [io.qua.run.Application] (main) Failed to start application (with profile prod): graphql.schema.validation.InvalidSchemaException: invalid schema:
data-index            | "List" must define one or more fields.
data-index            | "ListArgument" must define one or more fields.
data-index            | "ListOrderBy" must define one or more fields.
data-index            |     at graphql.schema.GraphQLSchema$Builder.validateSchema(GraphQLSchema.java:828)
data-index            |     at graphql.schema.GraphQLSchema$Builder.buildImpl(GraphQLSchema.java:822)
data-index            |     at graphql.schema.GraphQLSchema$Builder.build(GraphQLSchema.java:787)
data-index            |     at graphql.schema.GraphQLSchema.transform(GraphQLSchema.java:527)
data-index            |     at org.kie.kogito.index.graphql.GraphQLSchemaManager.transform(GraphQLSchemaManager.java:471)
data-index            |     at org.kie.kogito.index.graphql.GraphQLSchemaManager_ClientProxy.transform(Unknown Source)
data-index            |     at org.kie.kogito.index.graphql.GraphQLProtoSchemaMapper.onDomainModelRegisteredEvent(GraphQLProtoSchemaMapper.java:65)
data-index            |     at org.kie.kogito.index.graphql.GraphQLProtoSchemaMapper_Observer_onDomainModelRegisteredEvent_6e0c9833c8f65ca19ba4bf2a95569de09639eeed.notify(Unknown Source)
data-index            |     at io.quarkus.arc.impl.EventImpl$Notifier.notifyObservers(EventImpl.java:323)
data-index            |     at io.quarkus.arc.impl.EventImpl$Notifier.notify(EventImpl.java:301)
data-index            |     at io.quarkus.arc.impl.EventImpl.fire(EventImpl.java:73)
data-index            |     at org.kie.kogito.persistence.protobuf.domain.ProtoDomainModelProducer.onFileDescriptorRegistered(ProtoDomainModelProducer.java:62)
data-index            |     at org.kie.kogito.persistence.protobuf.domain.ProtoDomainModelProducer_Observer_onFileDescriptorRegistered_dfc00014fbbaa05f6c56443029d0e7e4929e7137.notify(Unknown Source)
data-index            |     at io.quarkus.arc.impl.EventImpl$Notifier.notifyObservers(EventImpl.java:323)
data-index            |     at io.quarkus.arc.impl.EventImpl$Notifier.notify(EventImpl.java:301)
data-index            |     at io.quarkus.arc.impl.EventImpl.fire(EventImpl.java:73)
data-index            |     at org.kie.kogito.persistence.protobuf.ProtobufService.registerProtoBufferType(ProtobufService.java:129)
data-index            |     at org.kie.kogito.persistence.protobuf.ProtobufService_ClientProxy.registerProtoBufferType(Unknown Source)
data-index            |     at org.kie.kogito.persistence.protobuf.ProtobufMonitorService.lambda$registerProtoFile$3(ProtobufMonitorService.java:104)
data-index            |     at org.kie.kogito.persistence.protobuf.ProtobufMonitorService.lambda$registerFilesFromFolder$2(ProtobufMonitorService.java:93)
data-index            |     at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
data-index            |     at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
data-index            |     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
data-index            |     at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
data-index            |     at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
data-index            |     at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
data-index            |     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
data-index            |     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeli