KafKaItemReader

[MicrophoneBen]

Bug description
When I use the KafKaItemReader to consumer the KafKa data from kafka cluster, if the offset is not begin from 0, and the kafkaItem reader can not read data from the kafka cluster

Environment
springbatch-4.2.4.RELEASE, springboot

Steps to reproduce
Steps to reproduce the issue.

Expected behavior
the offset is not begin from 0, and the kafkaItem reader can read data from the kafka cluster

[fmbenhassine]

This has been addressed in #737 which will be included in the upcoming v4.3.0-M2.