Reformat and fix lint

.gitlab-ci.yml

aleksis/core/assets/app.js

aleksis/core/assets/components/CacheNotification.vue

aleksis/core/assets/components/LanguageForm.vue

aleksis/core/assets/components/MessageBox.vue

aleksis/core/assets/components/SidenavSearch.vue

...core/assets/components/notifications/NotificationItem.vue

...core/assets/components/notifications/NotificationList.vue

aleksis/core/assets/css/global.scss

aleksis/core/assets/index.js

aleksis/core/assets/messages.json

aleksis/core/assets/util.js

aleksis/core/static/js/copy_button.js

aleksis/core/static/js/edit_dashboard.js

aleksis/core/static/js/helper.js

aleksis/core/static/js/include_ajax_live.js

aleksis/core/static/js/main.js

aleksis/core/static/js/multi_select.js

aleksis/core/static/js/progress.js

aleksis/core/static/js/search.js