cubicweb-folder #229709 folder box can block other ajax calls [resolved]

When I enable folder box in my preferences, I experiment broken pages for some projects (not systematic).

toggleTree is not defined
(?)()()cubicweb-jpl (ligne 80)
onreadystatechange()()jquery.js (ligne 27)
onreadystatechange()()jquery.js (ligne 27)
nodeName()([function(), function(), function(), 11 more...], function(), undefined)jquery.js (ligne 21)
onreadystatechange()()jquery.js (ligne 27)
[Break on this error] jQuery("#tree-2e84ad432...faa4ddb5").treeview({toggle: toggleTree,
prioritynormal
typebug
done in1.4.0
load0.100
load left0.000
closed by<not specified>
attachment