Weird line on sidebar

<img width="278" height="193" alt="Image" src="https://github.com/user-attachments/assets/15efd105-558b-4d89-9f74-8e6f8ea33dbb" />

I started to see this weird extra line in sidebar only when i'm in Trash folder. It disappears when I toggle sidebar visibility. It wasn't like this, just started today - after pressing a weird key combo presumably, but i cannot find out what. anyone has any ideas?