* adds migration for app codelist to migrate existing biotope type details codes from list 975 to 288 depending on their atomID
* improves rendering of action and biotope type details on frontend for KOM, OEK and EMA
* refactors KonovaCode str() rendering
* introduces 288 to codelist/settings.py
* refactors usage from 975 to 288
* enhances rendering of codelist names depending on which name exists (short vs long)