Try including HLR's "hidden lines" to improve the results of the Outliner algorithm

This is a follow-up ticket for the discussion here: https://analysissitus.org/forum/index.php?threads/error-in-outline-algorithm-output.481/#post-3016

In the scope of this task, let's investigate how adding the hidden lines affects the quality of the outlines (including the cases in the commercial extensions) and the overall performance of the computation.