Fix unified search

apps/comments/lib/Search/Provider.php

apps/files/lib/Search/FilesSearchProvider.php

apps/files/lib/Search/FilesSearchResultEntry.php

core/Controller/UnifiedSearchController.php

core/css/css-variables.scss

core/css/icons.scss

core/js/dist/files_client.js

core/js/dist/files_client.js.map

core/js/dist/files_fileinfo.js

core/js/dist/files_fileinfo.js.map

core/js/dist/files_iedavclient.js

core/js/dist/files_iedavclient.js.map

core/js/dist/install.js

core/js/dist/install.js.map

core/js/dist/login.js

core/js/dist/login.js.map

core/js/dist/main.js

core/js/dist/main.js.map

core/js/dist/maintenance.js

core/js/dist/maintenance.js.map