Return the payload of the session in oidc and not the session object

src/oidc.js

@@ -371,7 +371,7 @@ class CloudronAdapter {
                 if (!user || !user.active) return null;
             }
 
-            return session;
+            return session.payload;
         } else {
             if (!DATA_STORE[this.name][id]) return null;
             return DATA_STORE[this.name][id].payload;