Heidi Linux QT, dialogs are hidden

Hello,

Several dialogs are hidden by other groups, or boxes are too small and don't let the whole value show, like in the CSV import. I've reverted to default settings (in Preferences) to not avail.

Would there be a way to fix it?

Indeed, it overlaps. Resizing the window (by pulling the border) resizes the lowest group and does not show the underneath boxes.