HPCC-31671 Add resolved "CommandMessage" field to GetDFUWorkunits result.

[AttilaVamos]

Tested locally

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Testing:

[github-actions]

Jira Issue: https://hpccsystems.atlassian.net//browse/HPCC-31671

Jirabot Action Result:
Workflow Transition: Merge Pending
Updated PR

[jakesmith]

[min_ver("1.03")] string CommandMessage;

This code should be wrapped in a version check (>= 1.03):

            if (version >= 1.03)
            {
                encodeDFUcommand(command, cmdStr);
                resultWU->setCommandMessage(cmdStr.str());
            }

[jakesmith]

@AttilaVamos - one minor issue

[jakesmith]

trivial/style: non-standard spacing.

[jakesmith]

@AttilaVamos - it's fine, but see comment re. unusual spacing

[jakesmith]

@AttilaVamos - looks good.

[jakesmith]

@AttilaVamos - please squash

[AttilaVamos]

@jakesmith squashed.
@ghalliday please merge.