fix: added condition for policy assignment

Author: owlleg6

main.tf

@@ -57,7 +57,7 @@ resource "databricks_cluster" "this" {
   spark_conf     = var.spark_conf
   spark_env_vars = var.spark_env_vars
 
-  policy_id = one([for policy in var.custom_cluster_policies : databricks_cluster_policy.this[policy.name].id if policy.assigned])
+  policy_id = var.sku == "premium" ? one([for policy in var.custom_cluster_policies : databricks_cluster_policy.this[policy.name].id if policy.assigned]) : null
 
   data_security_mode      = var.data_security_mode
   node_type_id            = var.node_type