This indeed looks like a bug and I was able to reproduce it in my own account. I've filed a bug report internally. Unfortunately, I don't have a timeline for the fix. Sorry for the inconvenience.
Regarding the code snapshot, Joakim is right. Any time you run a "full" backtest, a snapshot of your algorithm code is saved and retrievable under Activities --> Code (thanks for explaining it, Joakim!).
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