fix(ui): safely access preferences when loading list view (#13771)

Fixes an issue when user has no collection preferences saved. When no
collection level preferences are saved, the result is `undefined`. This
change ensures there is a result before accessing `res.value`.

packages/next/src/views/Root/index.tsx

@@ -166,7 +166,9 @@ export const RootPage = async ({
         req.user.id,
         config.admin.user,
       ).then((res) => {
-        collectionPreferences = res.value
+        if (res && res.value) {
+          collectionPreferences = res.value
+        }
       })
     }
   }