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Add an explicit null check to DartConverterWrappable::FromDart #33188
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This avoids the cost of returning an error handle if a null is passed to Dart_GetNativeInstanceField. (DartConverterWrappable::FromArguments uses the Dart_GetNativeFieldsOfArgument API, which safely handles nulls)
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This avoids the cost of returning an error handle if a null is passed
to Dart_GetNativeInstanceField.
(DartConverterWrappable::FromArguments uses the
Dart_GetNativeFieldsOfArgument API, which safely handles nulls)