dark theme has imports and class defs underlined

[KotlinIsland]

im not 100% sure this is an issue with furo, but it's as far as i could dig on my own

# conf.py
html_theme = "furo"

index.rst:

.. code-block:: python

    import asdf

    class Asdf: ...

furo==2024.8.6
sphinx==8.1.3