SVG Radial gradient focus isn't working with Antialiased Arc Encodings

Steps to reproduce:

1. Import the attached focus.svg
2. Look at the preview
3. Change to "Basic Triangulation"
4. Compare

Actual results: The radial focus is ignored

Expected results: The radial focus should work

Reproducible with versions: 

Not reproducible with versions: 

Can’t test with versions: 

Tested on (OS): 

Notes:

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