Scrawl-canvas v8 - Canvas test 039

Test purpose

• Add a new cell to a canvas
• Add some entitys to the new Cell
• Setup a drag zone using the new Cell as the zone's coordinate source
• Check that we can drag-and-drop the entitys across the new Cell
• Check that we can update the position the new Cell in the canvas display: start; handles; offset; dimensions; roll; scale; flip
• Check that we can still drag-and-drop the entitys across the new Cell

Annotated code