Update Swell Provider (#359)

* fix update cart item

* update types

* update checkout

* update get-page, cleanup types

* revert change to incorrect file

* cleanup

Co-authored-by: Greg Hoskin <greghoskin@Gregs-MacBook-Pro.local>

framework/swell/cart/utils/checkout-create.ts

@@ -9,7 +9,7 @@ export const checkoutCreate = async (fetch: any) => {
   })
 
   if (!cart) {
-    const cart = await fetch({
+    await fetch({
       query: 'cart',
       method: 'setItems',
       variables: [[]],