Adding a new language in "Description" also adds it in "genre" and vice versa

Logged in as 422196@mail.muni.cz:

Reproduction steps:

1. Go to https://kafe.fi.muni.cz/auth/lemmafimuni/ and create a new project for Filmový festival FI MU #25 (closed)
2. For the "Description" section, click on the "+" icon and select "Abkhaz"

Expected result: The language option is added either for the "Description" field only, or for all the fields

Actual result: The language option is added for "Desription" and "genre" (but not "Name")