The macro editor dialog (used in Wysiwyg edition of macros) relies on a tempalte that doesn't use enough translations:
https://github.com/xwiki/xwiki-platform/blob/44e650db15354a1907355ae934f7860b82ac3ddb/xwiki-platform-core/xwiki-platform-ckeditor/xwiki-platform-ckeditor-plugins/src/main/webjar/xwiki-dialog/modal.js#L54C19-L71C1