fix(platform): use correct package names in enabledPackages

The enabledPackages list must use fully qualified package names
(e.g., cozystack.velero) to match the helper template check.
Also add backupstrategy-controller which is required by backup-controller.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Aleksei Sviridkin <f@lex.la>

packages/core/platform/values-isp-full-generic.yaml

@@ -11,4 +11,5 @@ bundles:
   naas:
     enabled: true
   enabledPackages:
-    - velero
+    - cozystack.velero
+    - cozystack.backupstrategy-controller