:fix(IAM): update condition for aws_iam_policy_attachment

iam.tf

@@ -198,7 +198,7 @@ resource "aws_iam_role" "this" {
 }
 
 resource "aws_iam_role_policy_attachment" "this" {
-  count      = local.irsa_role_create ? 1 : 0
+  count      = local.irsa_role_create && var.irsa_policy_enabled ? 1 : 0
   role       = aws_iam_role.this[0].name
   policy_arn = aws_iam_policy.this[0].arn
 }