Merge pull request #50426 from rhcs-dashboard/role-create

mgr/dashboard: creation of rgw roles

Reviewed-by: Pegonzal <NOT@FOUND>
Reviewed-by: Ernesto Puerta <epuertat@redhat.com>
Reviewed-by: Nizamudeen A <nia@redhat.com>

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

diff --cc src/pybind/mgr/dashboard/openapi.yaml
Simple merge

diff --cc src/pybind/mgr/dashboard/services/rgw_client.py
Simple merge