[rql rewrite] may_be_shared_with should consider relation's scope (closes #3024730)
When a relation's scope is not the current statement, it must not be shared
(instead of comparing the statement).
#! /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