Migrate replication internals to use maintenance port

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    • Type: Task
    • Resolution: Unresolved
    • Priority: Major - P3
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    • Affects Version/s: None
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    • Catalog and Routing
    • CAR Team 2025-11-24, CAR Team 2025-12-08, CAR Team 2025-12-22, CAR Team 2026-01-05
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      Once the maintenance port is exposed via the ReplSetConfig, we should update the replication internals to send commands via this port (if available). The places we should update are:

      1. TopologyCoordinator (for steady state replication and initial sync)
      2. Heartbeat requests (both for quorum check and replica set monitoring)
      3. Election commands

        1.
        		 Update quorum checking to use the maintenance port SERVER-114059 Sub-task Closed Allison Easton 8.3.0-rc0
        2.
        		 Update sync source selection to use maintenance port SERVER-114060 Sub-task In Code Review Allison Easton  
        3.
        		 Update elections and heartbeats to use the maintenance port SERVER-114061 Sub-task In Code Review Allison Easton  

            Assignee:
            Allison Easton
            Reporter:
            Allison Easton
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              Created:
              Updated: