Marker Shows blank Canvas on Reddit.com in Darkmode

[robin-rpr]

Marker Version: 1.4.1 OS: macOS

What steps will reproduce the problem?

1. Go to Reddit.com
2. Enable Reddit's Dark Mode Setting
3. Start Marker

What is the expected result? Show Marker on Website with transparent Canvas as usual.

What happens instead? Marker opens and presents a white (non-transparent) Canvas

Please feel free to add additional Images / Links / Notes below to help us understand and / or reproduce the issue:

Reddit Light Mode:

Reddit Dark Mode:

This issue seems to affect all Versions of Marker. I checked versions back until 1.1.1