cubicweb #4042978 popupLoginBox bw compat function in cubicweb.htmlhelpers.js doesn't work [validation pending]

calling it results in:

TypeError: newfunc is undefined cubicweb.js:113 (ligne 13)
prioritynormal
typebug
done in3.20.0
load1.000
load left0.000
closed by#faf0511ac181 [web/data] Remove broken backward compatibility function
patch[web/data] Remove broken backward compatibility function [applied]