cubicweb-keyword #3603279 use ajaxfunc instead of deprecated api [validation pending]

Remove usage of @monkeypatch(basecontrollers.JsonController) and use @ajaxfunc instead.

prioritynormal
typeenhancement
done in1.7.0
load0.100
load left0.000
closed by#7554a27b274b [views] use ajax_func instead of deprecated api (closes #3603279)
patch[views] use ajax_func instead of deprecated api (closes #3603279) [applied]