Add ManagedFields to returned config over GetConfig

client/server/server.go

@@ -1556,6 +1556,7 @@ func (s *Server) GetConfig(ctx context.Context, req *proto.GetConfigRequest) (*p
 		EnableSSHRemotePortForwarding: enableSSHRemotePortForwarding,
 		DisableSSHAuth:                disableSSHAuth,
 		SshJWTCacheTTL:                sshJWTCacheTTL,
+		ManagedFields:                 cfg.Policy().ManagedKeys(),
 	}, nil
 }