Why does the "Edit" button simply show as a purple line?

Samsung Galaxy S23 Ultra with latest Android Operating system - 

Accessing the Xfinity App

Click "WiFi" tab

Click "WiFi details" button

There should be an "Edit" button at the bottom f the screen

All that shows is a purple line (see image) 

There are no scroll bars and you cannot "pinch to shrink"

How do I fix this?

Half the time when I click the purple line it takes me to the edit screen

Half the time it just offers to share my WIFI password via text.