respond unauthorized if not logged in

packages/medusa/src/api/routes/store/auth/get-session.js

@@ -17,9 +17,9 @@ export default async (req, res) => {
         ["orders"]
       )
       res.json({ customer: data })
-    }
+    } else {
-
       res.sendStatus(401)
+    }
   } catch (err) {
     throw err
   }