Control batch handling is missing in consumer

[xxzefgh]

I was looking into why I was getting control messages as normal messages and looks like there is no handling of control batches, meaning aborted transactions are not filtered out in read_committed isolation level.

Relevant references:

https://kafka.apache.org/documentation/#controlbatch

https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/clients/consumer/internals/CompletedFetch.java#L203-L219

[mcollina]

By any chance, could you create a reproduction for this case?

[xxzefgh]

By any chance, could you create a reproduction for this case?

https://github.com/xxzefgh/platformatic-kafka-transaction-abort