[AC-1423] Update Organization subscription line items

- Add product type prefix
- Indent addon services like additional storage and service accounts
- Show line items for free plans

libs/common/src/billing/models/response/subscription.response.ts

@@ -1,4 +1,5 @@
 import { BaseResponse } from "../../../models/response/base.response";
+import { BitwardenProductType } from "../../enums/bitwarden-product-type.enum";
 
 export class SubscriptionResponse extends BaseResponse {
   storageName: string;
@@ -62,6 +63,8 @@ export class BillingSubscriptionItemResponse extends BaseResponse {
   quantity: number;
   interval: string;
   sponsoredSubscriptionItem: boolean;
+  addonSubscriptionItem: boolean;
+  bitwardenProduct: BitwardenProductType;
 
   constructor(response: any) {
     super(response);
@@ -70,6 +73,8 @@ export class BillingSubscriptionItemResponse extends BaseResponse {
     this.quantity = this.getResponseProperty("Quantity");
     this.interval = this.getResponseProperty("Interval");
     this.sponsoredSubscriptionItem = this.getResponseProperty("SponsoredSubscriptionItem");
+    this.addonSubscriptionItem = this.getResponseProperty("AddonSubscriptionItem");
+    this.bitwardenProduct = this.getResponseProperty("BitwardenProduct");
   }
 }