Update HostTypeRequirements for $changeStream stages that run on mongoS

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    • Type: Improvement
    • Resolution: Won't Fix
    • Priority: Minor - P4
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    • Affects Version/s: None
    • Component/s: Aggregation Framework
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    • Query
    • Fully Compatible
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      Following SERVER-31763 and SERVER-30834, there are no longer any circumstances in which we forward a complete $changeStream pipeline from mongoS to a single shard. Since all $changeStream pipelines issued to a mongoS must now split and be merged locally, the HostTypeRequirement for all post-split stages should be changed to kLocalOnly.

            Assignee:
            Backlog - Query Team (Inactive)
            Reporter:
            Bernard Gorman
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              Created:
              Updated:
              Resolved: