KCL consumer periodically commits checkpoint without checking configured checkpoint mode

[dirkbonhomme]

The KclMessageDrivenChannelAdapter will periodically commit the checkpoint without checking the configured checkpoint mode.

Notice how it automatically tries to commit after processing a single record:
https://github.com/spring-projects/spring-integration-aws/blob/master/src/main/java/org/springframework/integration/aws/inbound/kinesis/KclMessageDrivenChannelAdapter.java#L320

While it does correctly check for the checkpoint mode after processing a batch:
https://github.com/spring-projects/spring-integration-aws/blob/master/src/main/java/org/springframework/integration/aws/inbound/kinesis/KclMessageDrivenChannelAdapter.java#L331