If a Var is Optional, iterate over it as if it is not #4511
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This is potentially dangerous because it will cause frontend exception if the value actually is null.
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This is potentially dangerous because it will cause frontend exception if the value actually is null.
I originally wrote this up to address #4471, but then I realized the problem was not iterating over an Optional, but that the field shouldn't have been optional to begin with. Posting this in case it is something we eventually want.