Merge PR #41636 into master

* refs/pull/41636/head:
	mgr/cephadm/inventory: do not try to resolve current mgr host
	pybind/mgr/mgr_module: make get_mgr_ip() return mgr's IP from mgrmap
	mgr/restful: use get_mgr_ip() instead of hostname

Reviewed-by: Adam King <adking@redhat.com>
Reviewed-by: Kefu Chai <kchai@redhat.com>