TileRecUtils: Use mutable container in TileRawCorrelatedNoise algorithm
Some methods of Tile containers, which allow modifying the contents of containers, violate the const correctness.
Clients of these methods are migrated to use Tile mutable containers, which allow modifying the contents of containers in controlled manner.
So, TileRawCorrelatedNoise algorithm have been migrated to use Tile mutable digits container.