Implement upgrade/downgrade logic for orphans tracking

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    • Fully Compatible
    • Sharding EMEA 2022-03-07
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      On upgrade (during phase 2 of setFCV):

      • Populate the numOrphanDocs field on range deletion task documents by counting index entries belonging to orphaned ranges

      On downgrade (during phase 1 of setFCV):

      • Unset the numOrphanDocs field from range deletion task documents.

      It does not fall in the scope of this ticket the synchronization of numOrphanDocs updates with ongoing migrations.

            Assignee:
            Paolo Polato
            Reporter:
            Pierlauro Sciarelli
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              Created:
              Updated:
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