cubicweb-treeview #4616294 Treeview is brocken if the entity description is too long [validation pending]

Treeview is brocken the entity description is too long

prioritynormal
typebug
done in0.1.1
load0.200
load left0.000
closed by#23292468ea66 [widget] truncate long descriptions as they break the tree.
patch[widget] truncate long descriptions as they break the tree. [applied]