fix(client:auth): fix isLoggedIn for TS

Author: Awk34

Diff for: templates/app/client/components/auth(auth)/auth.service.js

@@ -164,7 +164,7 @@ export class AuthService {
    * @returns {Promise}
    */
   isLoggedIn(callback) {
-    let is = this.currentUser.hasOwnProperty('role');
+    let is = !!this.currentUser._id;
     safeCb(callback)(is);
     return Promise.resolve(is);
   }
@@ -174,7 +174,7 @@ export class AuthService {
    * @returns {Boolean}
    */
   isLoggedInSync() {
-    return this.currentUser.hasOwnProperty('role');
+    return !!this.currentUser._id;
   }
 
   /**