Method LoadPropsForManyAsync<TProps>(List<RedbObject<TProps>>, HashSet<long>?)

BULK Props loading with projection filter (for Select projections).
In OpenSource version, projection is ignored — full objects loaded via get_object_json.

public Task LoadPropsForManyAsync<TProps>(List<RedbObject<TProps>> objects, HashSet<long>? projectedStructureIds) where TProps : class, new()