BP-implemented BT decorators end up thinking they're not on active branch

bool UBTDecorator_BlueprintBase::GetShouldAbort(UBehaviorTreeComponent& OwnerComp) const 
{
	// if there's no condition-checking function implemented we always want to abort on any change
	if (PerformConditionCheckImplementations == 0)
	{
		return true;
	}

	const bool bIsOnActiveBranch = OwnerComp.IsExecutingBranch(GetMyNode(), GetChildIndex());

	bool bShouldAbort = false;
	if (bIsOnActiveBranch)
	{
		bShouldAbort = (FlowAbortMode == EBTFlowAbortMode::Self || FlowAbortMode == EBTFlowAbortMode::Both) && CalculateRawConditionValueImpl(OwnerComp) == IsInversed();
	}
	else
	{
		bShouldAbort = (FlowAbortMode == EBTFlowAbortMode::LowerPriority || FlowAbortMode == EBTFlowAbortMode::Both) && CalculateRawConditionValueImpl(OwnerComp) != IsInversed();
	}

	return bShouldAbort;
}