Replace use of Undefined as missing with EOO in aggregation

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    • Type: Task
    • Resolution: Done
    • Priority: Major - P3
    • 2.3.2
    • Affects Version/s: None
    • Component/s: Aggregation Framework
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      Undefined is a valid data type and shouldn't be used for missing values. I know it is used as such in ExpressionFieldPath and ExpressionObject.

      @Matt: could you search for any other uses of Undefined BSONType and see how feasible this is?

            Assignee:
            Mathias Stearn
            Reporter:
            Mathias Stearn
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              Created:
              Updated:
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