fix(platform): disable iaas/paas/naas bundles for generic variant

The isp-full-generic variant should have iaas, paas, and naas bundles
disabled by default since these bundles require 'isp-full' or 'isp-hosted'
variants as per validation rules in their respective templates.

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

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

@@ -5,8 +5,8 @@ bundles:
     enabled: true
     variant: "isp-full-generic"
   iaas:
-    enabled: true
+    enabled: false
   paas:
-    enabled: true
+    enabled: false
   naas:
-    enabled: true
+    enabled: false