Bank statement completion from transaction ID
Add a completion method based on transaction ID providen by the bank/office.
This transaction ID has been recorded on the SO (by a mapping through the e-commerce connector, or manually). Completion will look in the SO with that transaction ID to match the partner, then it will fill in the bank statement line with it, as well as the reference with the found SO name to ease the reconciliation.
This way, the reconciliation always happen on the SO name stored in ref.
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