cubicweb #1168774 reledit edition of some relations is broken [resolved]

The ajax edition on the primary view of a ticket to put it in a version is broken.

The OK & Cancel button show up but not dropdown menu... I don't know if this is a framework bug (3.9.0) or the new forge/tracker...

prioritynormal
typebug
done in3.9.1
load0.100
load left0.000
closed by<not specified>