Merge pull request #37280 from ceph/nautilus-bucket-list-perf

nautilus: mgr/dashboard: fix perf. issue when listing large amounts of buckets

Reviewed-by: Ernesto Puerta <epuertat@redhat.com>
Reviewed-by: Laura Paduano <lpaduano@suse.com>

diff --cc src/pybind/mgr/dashboard/controllers/rgw.py
Simple merge