feat(notification): add custom message

UI/WebServerResources/js/Preferences/PreferencesController.js

@@ -20,6 +20,8 @@
       this.autocomplete = {forward: [], notification: []};
       this.mailLabelKeyRE = new RegExp(/^(?!^_\$)[^(){} %*\"\\\\]*?$/);
       this.emailSeparatorKeys = Preferences.defaults.emailSeparatorKeys;
+      if (!Preferences.defaults.Notification.notificationMessage)
+        this.preferences.defaults.Notification.notificationMessage = l('Notification Message', $window.defaultEmailAddresses);
       if (Preferences.defaults.SOGoMailAutoMarkAsReadMode == 'delay')
         this.mailAutoMarkAsReadDelay = Math.max(1, this.preferences.defaults.SOGoMailAutoMarkAsReadDelay);
       else
@@ -724,7 +726,7 @@
         });
       }
       else {
-        recipient = contact.$shortFormat();
+        recipient = contact.$$email;
       }
       
       if (recipient)