I flashed the Official Samsung “Three Ireland” Android 10 firmware as a base before installing the new /e/ Q OS and am experiencing the same problem. I wonder is there a known firmware version that does not have these issues that could be used as a base to install /e/ over?
I’m not too familiar with this stuff so maybe I’m way off, but it seems to be vendor/model specific so my assumption is there is something in the official firmware that is blocking this. Perhaps there are some versions that don’t block DRM content.
My firmware which does have this issue: