Importing svg with css selectors affects objects in existing file

Summary:

Dragging certain files into certain open files with default import settings messes up colors of the first image

Steps to reproduce:

Download and open https://openclipart.org/download/296826/publicdomainq-anime.svg

Download and drag into the previously opened inkscape the following file https://upload.wikimedia.org/wikipedia/commons/f/f2/7ziplogo.svg , using the following import settings:

What happened?

The first file's vector shapes turned black.

Pressing CTRL+Z does not solve it.

What should have happened?

The first vector shapes should have not been affected by the imported image.

Sample attachments:

Version Info:

- Inkscape Version: 1.1-alpha (137f427, 2021-01-31)
- Operating System: Win10