fix: get metadata email if exists

sas/sasjs/macros/mpe_alerts.sas

@@ -96,6 +96,8 @@ data work.emails;
   /* get email from metadata if not in input table */
   if metadata_getnasn(uri,"EmailAddresses",1,emailuri)<=0 then do;
     putlog "DCWARN: " alert_user " has no emails in MPE_EMAILS or metadata!";
+  end;
+  else do;
     if metadata_getattr(emailuri,"Address",user_email)<0 then do;
       putlog 'DCWARN:  Unexpected error!  Valid emailURI but no email.  Weird.';
     end;