[facets,js] fix bogus checkbox icon appearing after the first interaction (closes #2790332)
This is because of the hardcoding of the data/ url.
#! /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