Accidentals in Ossias

I get different courtesy accidentals in Ossias even when copying the notes. It looks like Dorico calculates them from the Ossia in the line above. I don’t think that is the way it should be?

Interesting theory. It is possible. The good news is you can click on the notes and change the accidentals manually via the properties panel, so you aren’t stuck with the Dorico defaults.