Introduce O(1) / O(<pipeline length>) isEOF method to aggregation pipeline

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    • Type: Task
    • Resolution: Unresolved
    • Priority: Major - P3
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      In SERVER-96643 we cover simple cases where we can immediately say that there is no more documents coming to avoid saving an empty cursor.

      It can be beneficial to have the same for general aggregation pipelines.

            Assignee:
            Unassigned
            Reporter:
            Ivan Fefer
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              Created:
              Updated: