https://gitlab.com/ArmarX/RobotAPI/-/commit/aa89a38f9e2dcc247353642bf3735862852ccbf9 removed the option to use viz::Polygon as lines between two points. While it seems sensible to force users to use the better suited viz::Line instead, the latter is not yet in the header that includes the standard drawing elements. Hence auto completion does not show the existence of viz::Line, which is addressed by this merge request.
