Fix off-by-one in __get_grid_cell_location at canvas extents#1

vincenttl wants to merge 1 commit intopartcleda:fix-scientific-notation-parsingpartcleda/MacroPlacement:fix-scientific-notation-parsingfrom

vincenttl:fix-grid-cell-location-boundaryvincenttl/MacroPlacement:fix-grid-cell-location-boundaryCopy head branch name to clipboard