Drawing a shape at non-100% viewport zoom wrongly applies the scale to the Transform node not the shape

[timon-schelling]

1. Zoom out so you're not at 100% viewport zoom.
2. Draw a rectangle.
3. Notice the Transform node has a scale value other than 1 corresponding to the zoom level of the viewport.
4. This should be 1 and the viewport zoom should have been applied to the calculation of the rectangle dimensions instead.

This occurs with Rectangle, Ellipse, Polygon, and Star— but not Line.

original: GraphiteEditor#2582

[timon-schelling]

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