[edit controller] Cancel RQL queries to be performed on entities to be deleted Composite relation removal via the EditController trigger an entity removal. Changes on such a to-be-removed entity must be cancelled as they may trigger integrity errors before the deletion occurs. Closes #8529868.

missing-dep-for-interpreter make => make | build-essential | dpkg-dev (usr/share/pyshared/cubicweb/skeleton/debian/rules.tmpl)