code: function isSameNotification(a, b) {
          return a.type === b.settings.type && a.text === b.settings.text;
        }
docs: Checks if the passed in args object has the same
  type and text properties as the sent in notification.
  
  @param {type: string, text: string} a - New notification args object
  @param {Notification} b - Old notification
  @returns {boolean}