NIFI-9689: When all FlowFiles in a FlowFile Queue are penalized, do n…

[markap14]

…ot schedule the destination to run. Also expose this fact via the ConnectionStatusSnapshotDTO, as this allows the front-end to render this information to the user in order to avoid confusion when it appears that the Processor has data but does nothing

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Enables X functionality; fixes bug NIFI-YYYY.

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[mattyb149]

+1 LGTM, thanks for the improvement! Merging to main