String concatenation breaks for translations

[nickvergessen]

The translated string combinations in he head lines of user-data-manifesto like https://github.com/nextcloud/privacy/blob/master/templates/user-data-manifesto.php#L7-L8 do not work for translations.

See https://docs.nextcloud.com/server/latest/developer_manual/basics/front-end/l10n.html#improving-your-translations for more information