Adding space_id field mapping to kibana reporting template (#128336) (#129061)

* Adding space id to report template

* Incrementing stack template registry version

Author: ymao1

x-pack/plugin/core/template-resources/src/main/resources/kibana-reporting@template.json

@@ -82,6 +82,9 @@
         "status": {
           "type": "keyword"
         },
+        "space_id": {
+          "type": "keyword"
+        },
         "parent_id": {
           "type": "keyword"
         },

x-pack/plugin/stack/src/main/java/org/elasticsearch/xpack/stack/StackTemplateRegistry.java

@@ -47,7 +47,7 @@ public class StackTemplateRegistry extends IndexTemplateRegistry {
 
     // The stack template registry version. This number must be incremented when we make changes
     // to built-in templates.
-    public static final int REGISTRY_VERSION = 14;
+    public static final int REGISTRY_VERSION = 15;
 
     public static final String TEMPLATE_VERSION_VARIABLE = "xpack.stack.template.version";
     public static final Setting<Boolean> STACK_TEMPLATES_ENABLED = Setting.boolSetting(