Use chunked memory trackers in SBE group stages

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 9.1.0-rc0
    • Affects Version/s: None
    • Component/s: Query Execution
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    • Query Execution
    • Fully Compatible
    • QE 2026-08-03
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      The classic $group (group_processor_base.cpp) stage and SBE unique/ window stages already use chunked memory tracking, but SBE hash_agg and block_hashagg (the SBE $group stages) still use the non-chunked memory tracking counterparts.

      This change makes the SBE $group stages use the chunked variants too. This unifies behavior between classic and SBE w.r.t. memory tracking in $group.

            Assignee:
            Jan Steemann
            Reporter:
            Jan Steemann
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              Created:
              Updated:
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