Config dialogue cannot be resized and is too small to display contents

The config dialogue is too small to display the content. The result is that I cannot see all of the text and probably can't access all of the check boxes etc. The dialogue cannot be resized (unlike the main window).

Arch Linux Plasma with kwin 

QtPass 1.1.6.1 kwin 5.11.2 plasma-workspace 5.11.2