cubicweb-seda #13562327 management rules: constraint for prevented rule ref [validation pending]

is currently missing

prioritynormal
typebug
done in0.3.0
load left0.000
closed by#521aa7390bc9 [ui] Add proper validation and vocabulary on ref_non_rule_id_to
patch[ui] Add proper validation and vocabulary on ref_non_rule_id_to [applied]