warn user when there are too many he hosts

Previous fix [1] used the wrong method to calculate the number of HE hosts

[1] https://gerrit.ovirt.org/c/ovirt-engine/+/118221/

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=2027087

backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/hostdeploy/InstallVdsInternalCommand.java

@@ -238,7 +238,7 @@ private void runAnsibleHostDeployPlaybook() {
             hostedEngineAction =
                     getParameters().getHostedEngineDeployConfiguration().getDeployAction().name().toLowerCase();
             if (hostedEngineAction.equals("deploy")) {
-                long numHEHosts = vdsDao.getAll().stream().filter(VDS::isHostedEngineHost).count();
+                long numHEHosts = vdsDao.getAll().stream().filter(VDS::isHostedEngineDeployed).count();
                 int maxHEHosts = EngineLocalConfig.getInstance().getInteger("MAX_RECOMMENDED_HE_HOSTS");
                 if (numHEHosts >= maxHEHosts) {
                     log.warn(