HDDS-5963. Implement ListBlock command

[cchenax]

https://issues.apache.org/jira/browse/HDDS-5963

[guihecheng]

@cchenax Could you please fix the ut failures, I think they are related to this patch.

[guihecheng]

Hi @adoroszlai , could you please continue reviewing this one?
This is a based on a previous pending issue contributed by Sammi.

[adoroszlai]

Thanks @cchenax for continuing @ChenSammi's work. Mostly looks good, but few comments from previous PR still apply.

[guihecheng]

Hi all, any updates on this?
I think this interface is important for implementing EC Offline Recovery, we'd better get this done and later we could merge it back to the EC branch.
FYI: https://issues.apache.org/jira/browse/HDDS-6462

[adoroszlai]

Hi all, any updates on this?

I'm waiting for an answer on a code reuse question. Otherwise the patch LGTM.

[guihecheng]

Thanks @ChenSammi @cchenax for the work, thanks @adoroszlai for reviewing.