Raft nodes shouldn't process network messages before Ignite node started

At the components start (Metastorage manager, Table manager) they are start several RAFT groups and these groups process all RAFT messages don't wait all components started. But until component start the Ignite node is not ready to data load, it is not joined to a cluster topology and can be not authorized.
For solve these issues, recommend listening network events by RAFT node only when the node fully started.
Here, message handler subscribed:

service.messagingService().addMessageHandler(RaftMessageGroup.class, messageHandler);