ASD-515 - move the transaction ID update back to end of completeCheckoutSession, something was overwriting the transaction ID that we had set. Also had to restore saving the invoice when setting there, as it no longer gets saved by following code.
ASD-515 - move the transaction ID update back to end of completeCheckoutSession, something was overwriting the transaction ID that we had set. Also had to restore saving the invoice when setting there, as it no longer gets saved by following code.

amzn/amazon-payments-magento-2-plugin,amzn/amazon-payments-magento-2-plugin,amzn/amazon-payments-magento-2-plugin