fix(imperative): disable duplicate serviceAccountCreate to fix ArgoCD sync

serviceAccountCreate and adminServiceAccountCreate both created
imperative-admin-sa (due to serviceAccountName override), causing
ArgoCD "appeared 2 times" warning and refusing to sync the SA.
This blocked unsealvault-cronjob from running (SA not found).

Fix: set serviceAccountCreate: false since we only need the admin SA.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: butler54

values-baremetal.yaml

@@ -378,7 +378,7 @@ clusterGroup:
     # imagePullPolicy is set to always: imperative.imagePullPolicy
     # For additional overrides that apply to the jobs, please refer to
     # https://validatedpatterns.io/imperative-actions/#additional-job-customizations
-    serviceAccountCreate: true
+    serviceAccountCreate: false
     adminServiceAccountCreate: true
     serviceAccountName: imperative-admin-sa
     jobs: