re-add because language editor not use tform system

interface/web/admin/lib/lang/bg_language_edit.lng

interface/web/admin/lib/lang/de_language_edit.lng

interface/web/admin/lib/lang/en_language_edit.lng

interface/web/admin/lib/lang/es_language_edit.lng

interface/web/admin/lib/lang/fr_language_edit.lng

interface/web/admin/lib/lang/it_language_edit.lng

interface/web/admin/lib/lang/nl_language_edit.lng

interface/web/admin/lib/lang/ru_language_edit.lng

interface/web/admin/lib/lang/se_language_edit.lng