fix: use Kafka 'earliest' offset strategy to avoid missing messages

Signed-off-by: Benjamin Voiturier <[email protected]>

shared/core/src/main/scala/org/hyperledger/identus/shared/messaging/kafka/ZKafkaMessagingServiceImpl.scala

@@ -9,6 +9,7 @@ import zio.kafka.consumer.{
   ConsumerSettings as ZKConsumerSettings,
   Subscription as ZKSubscription
 }
+import zio.kafka.consumer.Consumer.{AutoOffsetStrategy, OffsetRetrieval}
 import zio.kafka.producer.{Producer as ZKProducer, ProducerSettings as ZKProducerSettings}
 import zio.kafka.serde.{Deserializer as ZKDeserializer, Serializer as ZKSerializer}
 
@@ -80,7 +81,7 @@ class ZKafkaConsumerImpl[K, V](
         .withMaxPollInterval(maxPollInterval) // Should be max.poll.records x 'max processing time per record'
         // 'pollTimeout' default is 50 millis. This is a ZIO Kafka property.
         .withPollTimeout(pollTimeout)
-        // .withOffsetRetrieval(OffsetRetrieval.Auto(AutoOffsetStrategy.Earliest))
+        .withOffsetRetrieval(OffsetRetrieval.Auto(AutoOffsetStrategy.Earliest))
         .withRebalanceSafeCommits(rebalanceSafeCommits)
         // .withMaxRebalanceDuration(30.seconds)
     )