Level Editor canvas

[lauracumming]

Describe the bug The objects on the canvas - the bin and the grid have changed recently, possibly introduced with the autoscaling task.

To Reproduce Steps to reproduce the behaviour:

1. Go to level editor
2. See bin and grid are incorrect

Expected behaviour Bin should be bottom right and scale with window

Create task for volunteers once understood

[faucomte97]

Duplicate of #1543.