We can't configure the cluster if “oned” is not started

* postservice/30-one-mng (main): wait for the daemon to be queriable.

Ref: #23594

postservice/30-one-mng

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+. /usr/lib/eole/utils.sh
+
 function error()
 {
     MSG=${1}
@@ -427,6 +429,7 @@ function manage_datastores()
 
 function main()
 {
+    wait_true_retcode "Wait for oned to be started" "onecluster show 0 > /dev/null"
     #
     # Rename default cluster
     clst_name=$(CreoleGet one_cluster_name)