language of choice for refset-members, ECL-results, OWL-syntax and after using back-button

[annarossander]

When browsing national extensions terms are displayed in the corresponding language.
But when opening the members list of a refset the included terms are displayed in English (picture 1) and the same goes for results from an ECL-search (picture 2).

Could it be made possible to choose from which language refset the descriptions should be taken in these lists?
When writing this issue I checked some of the other extensions and it seems the Danish works as the Swedish, but the Argentinian works as I would like the Swedish to work (picture 3 and 4)!

And if possible could this language preference also come through in the OWL-syntax under the Expression-tab, in the Refsets-tab and at the References-tab?

EDIT: there is also the problem of the language-choice going back to english when using the 'backwards'-button in the browser (Chrome as well). No matter how much you refresh (even with ctrl+F5) or choose language again in the green release-dropdown it sticks with english. This also does not seem to happen in Argentina.
Are all of these issues connected?

All the best, Anna