fix: Update is_giftcard type when filtering products (#1427)

* transform is_giftcard parameter and default to false

* add test for non gift_cards

* make default optional

integration-tests/api/__tests__/admin/product.js

@@ -509,6 +509,50 @@ describe("/admin/products", () => {
       ])
     })
 
+    it("returns a list of products not containing a giftcard in list", async () => {
+      const api = useApi()
+
+      const payload = {
+        title: "Test Giftcard",
+        is_giftcard: true,
+        description: "test-giftcard-description",
+        options: [{ title: "Denominations" }],
+        variants: [
+          {
+            title: "Test variant",
+            prices: [{ currency_code: "usd", amount: 100 }],
+            options: [{ value: "100" }],
+          },
+        ],
+      }
+
+      await api
+        .post("/admin/products", payload, {
+          headers: {
+            Authorization: "Bearer test_token",
+          },
+        })
+        .catch((err) => {
+          console.log(err)
+        })
+
+      const response = await api
+        .get("/admin/products?is_giftcard=false", {
+          headers: {
+            Authorization: "Bearer test_token",
+          },
+        })
+        .catch((err) => {
+          console.log(err)
+        })
+
+      expect(response.data.products).toEqual(
+        expect.not.arrayContaining([
+          expect.objectContaining({ is_giftcard: true }),
+        ])
+      )
+    })
+
     it("returns a list of products with child entities", async () => {
       const api = useApi()