Resolve "System should block the login option for defined period of time, when user enter wrong local device PIN more than 3 attempts"

Closes #14 (closed)

javascript/src/iframe/viamapi-iframe.js

@@ -603,7 +603,7 @@ function failPincodeAttempt(password) {
       localStorage.setItem("attempt", attempt + 1);
     }
   }
-  throw(message);
+  return message;
 }
 
 function canTryPincode() {