Changes to List AWS accounts (admin)

added the required property data/items/cluster_permissions_boundary_arn to the response with the 200 status

added the required property data/items/data_kms_key_arn to the response with the 200 status

added the required property data/items/operator_permissions_boundary_arn to the response with the 200 status

added the required property data/items/vend_role_arn to the response with the 200 status