prevented the painting of rectangle when in an ApplicationStructureBody context since all ApplicationStructure commands are not supported yet
NOTE: this is to prevent having misplaced rectangles printed on top of the core tiles; the reason why the rectangles painted in an ApplicationStructureBody context are translated is that the affine transformation applied to the core tiles (see TileElement implementation) is not applied to the rectangles.
added ApplicationStructure-related commands classes so we can track them when dumping commands: