[web/json] Controller.publish must return encoded data We were mixing binary from super() and text from our params, thus wrongly returning text. Closes #5507573.

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances