message: clear tariffID in Site
diff: @@ -405,8 +405,7 @@ export default class SiteService {
  }
  site.public = filteredRequest.public;
  }
  - if (Utils.objectHasProperty(filteredRequest, 'tariffID') &&
  - filteredRequest.tariffID !== '') {
  + if (Utils.objectHasProperty(filteredRequest, 'tariffID')) {
  site.tariffID = filteredRequest.tariffID;
  }
  if (Utils.objectHasProperty(filteredRequest, 'autoUserSiteAssignment')) {
  