[QA] test moving shapes with the keyboard

[brauliodiez]

One of the functionalities that we have broken from time to time is the "move a shape using the keyboard", so let's add an e2e for this.

Steps:

• Start quick mock, click on start design.
• Now in the canvas let's drag and drop an input shape.
• Move the shape to the left using the keyboard (several strokes).
• Check that the shape has been moved to the left and the canvas scroll remains with the same values as before.
• Repeat the same operation up, down, right.

Let's place this test under:

e2e/canvas/move-shape-using-keyboard.spec.ts