orderKappsValidateErr() is meant as a temporary solution to an external
(ie. dependency) problem. carvel.dev/kapp/pkg/kapp/crdupgradesafety
Validate() can return a multi-line error message which comes in random order.
Until that is changed upstream, we need to fix this on our side to avoid
falling into cycle of constantly trying to reconcile ClusterExtension's
status due to random error message we set in its conditions.