June Hotfix

:fix: Re-enabled clicking on a Random House to generate a new size/colour :fix: Fixed Random Houses not always saving their size correctly :fix: Fixed Sailing Boats having water inside them when placed on a river piece :fix: Fixed Level Crossings not considering carriages as part of the train :fix: Fixed various issues with placing objects on top of blocks :fix: Adjustments to the default placement grid size of Pumpkins :fix: Adjustments to the textures of the Flower pot and Pumpkin