cubicweb-relationwidget #7062532 Cannot check more than one entity when editing a multiple cardinality relation [validation pending]

When editing a relation with cardinality '*' (for the considered role), the user should be able to check multiple entities in the modal window. It is no more possible.

priorityimportant
typebug
done in0.3.2
load0.200
load left0.000
closed by#e3e6694d5147 Fix checkbox unchecking when editing a multiple cardinality relation
patchFix checkbox unchecking when editing a multiple cardinality relation [applied]