Apply the anchor offset in a second pass through the chunk's spans
Apply the anchor offset in a second pass through the chunk's spans

This doesn't change anything yet, it's just a reordering of how we do things.

Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/616>

GNOME/librsvg,GNOME/librsvg,GNOME/librsvg,GNOME/librsvg