Use non-ILM template setting up watch history template & ILM disabled (…

…#39421)

Backport of #39325

When ILM is disabled and Watcher is setting up the templates and policies for
the watch history indices, it will now use a template that does not have the
`index.lifecycle.name` setting, so that indices are not created with the
setting.

This also adds tests for the behavior, and changes the cluster state used in
these tests to be real instead of mocked.

Resolves #38805

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/watcher/support/WatcherIndexTemplateRegistryField.java

@@ -17,6 +17,7 @@ public final class WatcherIndexTemplateRegistryField {
     // Note: if you change this, also inform the kibana team around the watcher-ui
     public static final String INDEX_TEMPLATE_VERSION = "9";
     public static final String HISTORY_TEMPLATE_NAME = ".watch-history-" + INDEX_TEMPLATE_VERSION;
+    public static final String HISTORY_TEMPLATE_NAME_NO_ILM = ".watch-history-no-ilm-" + INDEX_TEMPLATE_VERSION;
     public static final String TRIGGERED_TEMPLATE_NAME = ".triggered_watches";
     public static final String WATCHES_TEMPLATE_NAME = ".watches";
     public static final String[] TEMPLATE_NAMES = new String[] {