refactor: 产品页与产品列表的API重构

- 将产品页与产品列表的API由REST重构为GraphQL
- 修改Mapper与单元测试

app/models/mappers/productMapper.test.ts

@@ -10,7 +10,9 @@ describe('toProductListView', () => {
       translations: [
         { id: 10, name: 'Product Name', summary: 'Product Summary' },
       ],
-      cover: 'cover-file-uuid-1234',
+      cover: {
+        id: 'cover-file-uuid-1234',
+      },
       product_type: {
         id: 1,
         translations: [{ id: 20, name: 'Type Name' }],
@@ -35,7 +37,9 @@ describe('toProductListView', () => {
     const rawData: Product = {
       id: 1,
       translations: [],
-      cover: 'cover-file-uuid-1234',
+      cover: {
+        id: 'cover-file-uuid-1234',
+      },
       product_type: {
         id: 20,
         translations: [],