SVG importer ignores `fill-rule="evenodd"`

[NicTanghe]

Description

The SVG importer does not respect fill-rule="evenodd". A compound path whose inner subpath should create a transparent hole is imported as a solid shape. follow up of #4329

Steps to reproduce

1. Open fill-rule-evenodd.svg in a browser or another SVG viewer. It appears as a purple square with a transparent square hole.
2. Import the same file into Graphite.
3. Compare the imported result with the browser rendering.

Expected behavior

The imported shape is a purple square with a transparent square hole, matching the SVG rendering in a browser.

Actual behavior

The inner square is filled, so the imported result is a solid purple square. The importer behaves as if the path used the default nonzero fill rule.