[PLAT-10860] Node agent installation is skipped

Summary: Private IP is initially not set. So, this check is removed.

Test Plan:
1. Create universe and saw that node-agent got installed.

2023-10-13T00:47:59.564Z  [info] dfd43d19-3fd0-4b44-b64e-cd426542fead TaskExecutor.java:1127 [TaskPool-0] com.yugabyte.yw.commissioner.TaskExecutor Adding SubTaskGroup #4: InstallNodeAgent
2023-10-13T00:47:59.573Z  [info] dfd43d19-3fd0-4b44-b64e-cd426542fead TaskExecutor.java:699 [TaskPool-0] com.yugabyte.yw.commissioner.TaskExecutor Setting subtask(InstallNodeAgent) group type to Provisioning

Reviewers: cwang, nbhatia

Reviewed By: cwang

Subscribers: yugaware

Differential Revision: https://phorge.dev.yugabyte.com/D29293

managed/src/main/java/com/yugabyte/yw/commissioner/tasks/UniverseTaskBase.java

@@ -1155,7 +1155,7 @@ protected Collection<NodeDetails> filterNodesForInstallNodeAgent(
     NodeAgentClient nodeAgentClient = application.injector().instanceOf(NodeAgentClient.class);
     Map<UUID, Boolean> clusterSkip = new HashMap<>();
     return nodes.stream()
-        .filter(n -> n.cloudInfo != null && n.cloudInfo.private_ip != null)
+        .filter(n -> n.cloudInfo != null)
         .filter(
             n ->
                 clusterSkip.computeIfAbsent(
@@ -1233,15 +1233,13 @@ protected void deleteNodeAgent(NodeDetails nodeDetails) {
   public SubTaskGroup createWaitForNodeAgentTasks(Collection<NodeDetails> nodes) {
     SubTaskGroup subTaskGroup = createSubTaskGroup(WaitForNodeAgent.class.getSimpleName());
     NodeAgentClient nodeAgentClient = application.injector().instanceOf(NodeAgentClient.class);
-    boolean createSubTaskGroup = false;
     for (NodeDetails node : nodes) {
       if (node.cloudInfo == null) {
         continue;
       }
       Cluster cluster = getUniverse().getCluster(node.placementUuid);
       Provider provider = Provider.getOrBadRequest(UUID.fromString(cluster.userIntent.provider));
       if (nodeAgentClient.isClientEnabled(provider)) {
-        createSubTaskGroup = true;
         WaitForNodeAgent.Params params = new WaitForNodeAgent.Params();
         params.nodeName = node.nodeName;
         params.azUuid = node.azUuid;
@@ -1252,7 +1250,7 @@ public SubTaskGroup createWaitForNodeAgentTasks(Collection<NodeDetails> nodes) {
         subTaskGroup.addSubTask(task);
       }
     }
-    if (createSubTaskGroup) {
+    if (subTaskGroup.getSubTaskCount() > 0) {
       getRunnableTask().addSubTaskGroup(subTaskGroup);
     }
     return subTaskGroup;