Step files render with a different orientation

[pierremtb]

Talked to @alteous, could be a coordinate system error.

[pierremtb]

Showed up when updating the lib in #363

Before the lib upgrade I had this box.step model pointing out once converted to .obj for render, and after it’s pointing down

[pierremtb]

Link to reproduce: https://github.com/KittyCAD/diff-samples/blob/1dc0d43a94dba95279fcfc112bb5dd4dfaac01ae/models/box.step