WP create new theme folder


I’m using Ubuntu 20.04 and I came across an issue in the latest versions of Pinegrow 5.97 ~ 5.99.1; when I create the destination folder for the theme, I no longer see the icon to create the folder.

In the old versions, like Pinegrow Linux 64.2.951 and 5.96, it allows me to create the theme destination folder; I attach the image below: -

If someone has encountered the same problem, please report the solution.