Merge pull request #47814 from vshankar/wip-57072

pybind/mgr: check for empty metadata mgr_module:get_metadata()

Reviewed-by: Rishabh Dave <ridave@redhat.com>
Reviewed-by: Ramana Raja <rraja@redhat.com>
Reviewed-by: Jos Collin <jcollin@redhat.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Reviewed-by: Neeraj Pratap Singh <neesingh@redhat.com>

diff --cc src/pybind/mgr/mgr_module.py
Simple merge