Settings to restrict child select generation to certain level

So I had this specific task to implement:
Allow users to select multiple taxonomies with some conditions:

• Users should select deepest items in the taxonomy, otherwise do not validate selection
• On specific content type restrict selection to first level term
• On other content types restrict selection to second level terms

In order to achieve it, I used this module. In order to get the restrictions working from managed display tab, did a small patch.