message: Updated: show error message inside a modal when error occured.
diff: .EndpointsPage_Endpoint_Signin_Email {
  display: block;
  + &__error {
  + margin-bottom: 12px;
  + color: var(--color-base-red);
  + }
  +
  & .Textinput {
  margin-bottom: 12px;
  }
  