Implement SMSG_MAP_SET_TILES_TYPE
Created by: Helianthella
see https://github.com/ManaPlus/ManaPlus/blob/master/src/enums/resources/map/blocktype.h
Created by: Helianthella
see https://github.com/ManaPlus/ManaPlus/blob/master/src/enums/resources/map/blocktype.h