tarantool> box.func['.raft_join']:call({"wrong-cluster-id", "i2", nil, "", true})---- error: 'cannot join the instance to the cluster: cluster_id mismatch: cluster_id of the instance = "wrong-cluster-id", cluster_id of the cluster = "c"'...
* Make `--cluster-id` CLI mandatory.
* Handle cluster_id mismatch in raft_join.
When an instance attempts to join the cluster and the instances's
`--instance-id` parameter mismatches the cluster_id of the cluster
an error is raised inside the raft_join handler.
