Update existing tenant migration retryable writes oplog before startFetchingTimestamp fetcher to support shard merge.

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    • Fully Compatible
    • Server Serverless 2022-06-13, Server Serverless 2022-06-27, Server Serverless 2022-07-11
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      For multi-tenant migration, createRetryableWritesOplogFetchingPipelineForTenantMigrations() fetches only the oplog entries generated by retryable writes with ts < startFetchingTimestamp, specific to a given migrating tenantID. For shard merge protocol, we should fetch oplog entries generated by retryable writes with ts < startFetchingTimestamp for all tenants.

              Assignee:
              Mathis Bessa (Inactive)
              Reporter:
              Suganthi Mani
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                Updated:
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