Effective retention: improve passing params and add getters (#107943)

In oder to be able to enrich the following responses with the
`effective_retention` we need to ensure the `XContent.Params`  are
passed correctly and we have all the getters to copy the response.

server/src/main/java/org/elasticsearch/action/admin/indices/template/get/GetComposableIndexTemplateAction.java

@@ -157,6 +157,10 @@ public class GetComposableIndexTemplateAction extends ActionType<GetComposableIn
             return indexTemplates;
         }
 
+        public RolloverConfiguration getRolloverConfiguration() {
+            return rolloverConfiguration;
+        }
+
         public DataStreamGlobalRetention getGlobalRetention() {
             return globalRetention;
         }

server/src/main/java/org/elasticsearch/action/admin/indices/template/post/SimulateIndexTemplateResponse.java

@@ -69,6 +69,22 @@ public class SimulateIndexTemplateResponse extends ActionResponse implements ToX
         this.globalRetention = globalRetention;
     }
 
+    public Template getResolvedTemplate() {
+        return resolvedTemplate;
+    }
+
+    public Map<String, List<String>> getOverlappingTemplates() {
+        return overlappingTemplates;
+    }
+
+    public RolloverConfiguration getRolloverConfiguration() {
+        return rolloverConfiguration;
+    }
+
+    public DataStreamGlobalRetention getGlobalRetention() {
+        return globalRetention;
+    }
+
     public SimulateIndexTemplateResponse(StreamInput in) throws IOException {
         super(in);
         resolvedTemplate = in.readOptionalWriteable(Template::new);

server/src/main/java/org/elasticsearch/action/datastreams/lifecycle/ExplainDataStreamLifecycleAction.java

@@ -212,7 +212,7 @@ public class ExplainDataStreamLifecycleAction {
                 return builder;
             }), Iterators.map(indices.iterator(), explainIndexDataLifecycle -> (builder, params) -> {
                 builder.field(explainIndexDataLifecycle.getIndex());
-                explainIndexDataLifecycle.toXContent(builder, params, rolloverConfiguration, globalRetention);
+                explainIndexDataLifecycle.toXContent(builder, outerParams, rolloverConfiguration, globalRetention);
                 return builder;
             }), Iterators.single((builder, params) -> {
                 builder.endObject();

server/src/main/java/org/elasticsearch/action/datastreams/lifecycle/GetDataStreamLifecycleAction.java

@@ -220,6 +220,10 @@ public class GetDataStreamLifecycleAction {
             return rolloverConfiguration;
         }
 
+        public DataStreamGlobalRetention getGlobalRetention() {
+            return globalRetention;
+        }
+
         @Override
         public void writeTo(StreamOutput out) throws IOException {
             out.writeCollection(dataStreamLifecycles);
@@ -240,7 +244,7 @@ public class GetDataStreamLifecycleAction {
                     dataStreamLifecycles.iterator(),
                     dataStreamLifecycle -> (builder, params) -> dataStreamLifecycle.toXContent(
                         builder,
-                        params,
+                        outerParams,
                         rolloverConfiguration,
                         globalRetention
                     )