Even if he was still in prison, Sweden is at least as capable of resisting USA extradition requests as the UK.
Even if he wasn’t in prison/an embassy (either not guilty or guilty and released after doing time), the indictment would’ve happened anyway, and led to another extradition attempt anyway wherever he was — including, I recon, if he went straight from Sweden to Ecuador, given that Ecuador did remove his asylum.
Either way, his conditions would’ve been better between them and now, but also the situation right now would be the same (except for the time spent in a UK prison for breach of bail, and held by the authorities while waiting for an extradition hearing, and the loss of bail bond money from his supporters) except that either he would be exonerated from sexual assault charges or a dangerous narcissistic rapist would’ve been punished with a prison sentence rather than allowed to present themselves as a victim [delete as appropriate].