Method CreateTreeQuery<TProps>(long, long?, bool, long?, int?)

Override: Uses ProTreeQueryProvider instead of MSSqlTreeQueryProvider.
TreeQuery<T>().ToListAsync() now uses CTE + PVT.

protected override IRedbQueryable<TProps> CreateTreeQuery<TProps>(long schemeId, long? userId, bool checkPermissions, long? rootObjectId, int? maxDepth) where TProps : class, new()