Fix existing cancel workflow

app/Models/Service.php

@@ -263,6 +263,10 @@ class Service extends Model implements IDs
 			'exit_method'=>'action_cancel_pending_exit',
 			'title'=>'Cancel Pending',
 		],
+		'CANCELLED'=> [
+			'title'=>'Service Cancelled',
+			'enter_method'=>'action_cancelled',
+		],
 		// Service to be Upgraded
 		'CHANGE-CANCEL' => [
 			'next'=>[
@@ -280,7 +284,7 @@ class Service extends Model implements IDs
 			'enter_method'=>'action_request_enter_redirect',
 			'title'=>'Change Service',
 		],
-
+		// Service is waiting on a supplier to activate a change
 		'CHANGE-PENDING' => [
 			'next'=>[
 				'ACTIVE'=>['wholesaler'],