fix: ignore purchaseQuantity for webui add items (#1944)

Closes #1942

Reviewed-on: #1944
Co-authored-by: Sainan <63328889+Sainan@users.noreply.github.com>
Co-committed-by: Sainan <63328889+Sainan@users.noreply.github.com>

src/controllers/custom/addItemsController.ts

@@ -7,7 +7,7 @@ export const addItemsController: RequestHandler = async (req, res) => {
     const requests = req.body as IAddItemRequest[];
     const inventory = await getInventory(accountId);
     for (const request of requests) {
-        await addItem(inventory, request.ItemType, request.ItemCount, true);
+        await addItem(inventory, request.ItemType, request.ItemCount, true, undefined, undefined, true);
     }
     await inventory.save();
     res.end();

src/services/inventoryService.ts

@@ -332,7 +332,8 @@ export const addItem = async (
     quantity: number = 1,
     premiumPurchase: boolean = false,
     seed?: bigint,
-    targetFingerprint?: string
+    targetFingerprint?: string,
+    exactQuantity: boolean = false
 ): Promise<IInventoryChanges> => {
     // Bundles are technically StoreItems but a) they don't have a normal counterpart, and b) they are used in non-StoreItem contexts, e.g. email attachments.
     if (typeName in ExportBundles) {
@@ -490,7 +491,9 @@ export const addItem = async (
         // Multipling by purchase quantity for gear because:
         // - The Saya's Vigil scanner message has it as a non-counted attachment.
         // - Blueprints for Ancient Protector Specter, Shield Osprey Specter, etc. have num=1 despite giving their purchaseQuantity.
+        if (!exactQuantity) {
             quantity *= ExportGear[typeName].purchaseQuantity ?? 1;
+        }
         const consumablesChanges = [
             {
                 ItemType: typeName,