ods_style: fix support of untranslatable_columns
- the test was using wrong attribute and it was using DummyLocalizer, which breaks the site configuration. Fix the test and use mock - fix ods style not to translate untranslatable columns
- the test was using wrong attribute and it was using DummyLocalizer, which breaks the site configuration. Fix the test and use mock - fix ods style not to translate untranslatable columns