do_subscriptions: use do_ls to cache objects in repl
do_subscriptions: use do_ls to cache objects in repl

nojhan/weboob-devel,nojhan/weboob-devel,RouxRC/weboob,willprice/weboob,nojhan/weboob-devel,sputnick-dev/weboob,willprice/weboob,sputnick-dev/weboob,RouxRC/weboob,RouxRC/weboob,willprice/weboob,sputnick-dev/weboob