message: Fix challenge solved notification not beeing send
diff: @@ -119,7 +119,7 @@ exports.sendNotification = function (challenge, isRestore) {
  const wasPreviouslyShown = notifications.find(({ key }) => key === challenge.key) !== undefined
  notifications.push(notification)
  - if (global.io && (isRestore || wasPreviouslyShown)) {
  + if (global.io && (isRestore || !wasPreviouslyShown)) {
  global.io.emit('challenge solved', notification)
  }
  }
  