Be able to collapse Mapping assignments

By Kilian Hekhuis on 27 Sep 2017

Since P10, we can use Mapping assigments when assigning two structures of different type (which is great!). However, when there are many of them, it would be nice if they were collapsable so to hide the details of the mapping. A black triangular arrow on the grey "Mapping" bar would be ideal.

An example of when this would be useful:

Stefaans Bothma28 Sep 2017

This would be helpful.