Fix unique view count for direct views on preview

Author: Ives van Hoorne

packages/app/src/sandbox/index.js

@@ -98,7 +98,9 @@ requirePolyfills().then(() => {
     // We need to fetch the sandbox ourselves...
     const id = getId();
     window
-      .fetch(host + `/api/v1/sandboxes/${id}`)
+      .fetch(host + `/api/v1/sandboxes/${id}`, {
+        credentials: 'include',
+      })
       .then(res => res.json())
       .then(res => {
         const camelized = camelizeKeys(res);