fix(manager): fix parsing of cluster list
fix(manager): fix parsing of cluster list

The output of the manager's cluster list command changed,
and now the name of the 'cluster id' column was changed to 'ID',
so I changed the code accordingly

scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests