Merge pull request #54048 from rhcs-dashboard/rgw-bucket-policy

mgr/dashboard: get object bucket policies for a bucket

Reviewed-by: Pedro Gonzalez Gomez <pegonzal@redhat.com>
Reviewed-by: Ankush Behl <cloudbehl@gmail.com>

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