saleor: unify GraphQL naming approach

framework/saleor/customer/use-customer.tsx

@@ -1,13 +1,14 @@
 import useCustomer, { UseCustomer } from '@commerce/customer/use-customer'
 import { Customer } from '@commerce/types'
 import { SWRHook } from '@commerce/utils/types'
-import { getCustomerQuery } from '../utils'
+
+import * as query from '../utils/queries'
 
 export default useCustomer as UseCustomer<typeof handler>
 
 export const handler: SWRHook<Customer | null> = {
   fetchOptions: {
-    query: getCustomerQuery,
+    query: query.CustomerCurrent,
   },
   async fetcher({ options, fetch }) {
     const data = await fetch<any | null>({