Fixed isLoggedIn() - #2724

Author: ghayman

src/lib/wapi/functions/is-logged-in.js

@@ -1,7 +1,6 @@
 export function isLoggedIn(done) {
   // Contact always exists when logged in
-  const isLogged =
-    window.Store.Contact && window.Store.Contact.checksum !== undefined;
+  const isLogged = window.Store.Contact && window.Store.Contact.length > 0;
 
   if (done !== undefined) done(isLogged);
   return isLogged;