[web/views] Fix exception in CWProperty edit form (closes #5087412)
Also add missing help message. The overall display is ugly, but at least
the message is shown.
#! /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
fi
fi
#DEBHELPER#
exit 0