[web/views] Fix PropertyKeyField widget (closes #5087413)
CWProperties don't have unittests, this will likely break again.
#! /bin/sh -e#if [ "$1" = configure ]; then if which install-docs >/dev/null 2>&1; then install-docs -i /usr/share/doc-base/cubicweb-doc fifi#DEBHELPER#exit 0