fix: retrieve relations when mapping group entities for notifications

Signed-off-by: Marley <55280588+marleypowell@users.noreply.github.com>

plugins/notifications-backend/src/service/router.ts

@@ -102,7 +102,7 @@ export async function createRouter(
     const entities = await catalogClient.getEntitiesByRefs(
       {
         entityRefs: refs,
-        fields: ['kind', 'metadata.name', 'metadata.namespace'],
+        fields: ['kind', 'metadata.name', 'metadata.namespace', 'relations'],
       },
       { token },
     );
@@ -123,7 +123,7 @@ export async function createRouter(
         const childGroups = await catalogClient.getEntitiesByRefs(
           {
             entityRefs: entity.spec.children,
-            fields: ['kind', 'metadata.name', 'metadata.namespace'],
+            fields: ['kind', 'metadata.name', 'metadata.namespace', 'relations'],
           },
           { token },
         );