cubicweb-relationwidget #6204482 allow overriding of validation behaviour [validation pending]

the javascript should allow to customize what's happening when on click on the ok button, so the selection window may be used in other contexts than cw's default field based forms.

prioritynormal
typeenhancement
done in0.3.1
load left0.000
closed by#4540f245215e allow to override javascript validation (click on Ok in the modal window)
patchallow to override javascript validation (click on Ok in the modal window) [applied]