Fix Cart issue by using PosterLayout on each shop page and not layout

src/routes/shop/index.svelte

@@ -0,0 +1,23 @@
+<script lang="ts">
+    import PosterLayout from '$components/layouts/PosterLayout.svelte'
+
+    export let product: any
+    export let shopProduct: any
+</script>
+
+<PosterLayout
+    product={product}
+    shopProduct={shopProduct}
+/>
+
+<script context="module" lang="ts">
+    export async function load ({ page, fetch, session, stuff }) {
+        // Get content from stuff
+        return {
+            props: {
+                product: stuff.product,
+                shopProduct: stuff.shopProduct,
+            }
+        }
+    }
+</script>