As an update, I was able to download the InstallAssitant.pkg for the Sonoma Developer Beta just released and, unfortunately, it does not yet fix the issues of being able to sign into your Apple account from the OS. There is a thread regarding this complaint on the developer forums that has been long-running and has been updated in the last day with the following (AppleID Login failing in virtualiz... | Apple Developer Forums):
I got confirmation that the Apple ID story hasn't changed (r. 102844895). It's definitely a priority -- partly based on the number of bugs that you folks have filed! -- but, as always, I can't make any promises about The Futureā¢.
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Hopefully, with enough upvotes and feedback, this will become a priority and a solution before Sonoma goes Public Beta as this affects a lot of us and our multitude of use cases.