message: Fix missing validation for sign up apple (mac)
diff: @@ -621,6 +621,12 @@ extern void *ctx;
  {
  if (@available(macOS 10.15, *))
  {
  + // Validate all values inserted
  + if (![self validateFormForAction:UserActionAppleSignup])
  + {
  + return;
  + }
  +
  self.userAction = UserActionAppleSignup;
  [self setUserSignUp:YES];
  [self showLoaderView:YES];
  