clearing move uses today date on statement

when using a Payment or a PaymentGroup in a StatementLine, when the Statement is validated, the clearing_move is created with today as date, whereas I would expect it to use the StatementLine date (as the move created for the StatementLine)

assigned to @semarie

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I think it makes sense but I'm wondering if there are no cases where we would like to customize this date (like adding some delay because the financial institute has processing delay).

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review253031002 updated at https://codereview.tryton.org/253031002/#ps282901002

in my case, I am using it while using SEPA payment: I create payment to paying some purchase invoice, next send the XML SEPA file to my bank. Later, when importing daily statement from the bank, I see the payment has been proceed, and I fill the statement line with the payment reference, and validate the statement. So I am already recording the potential delay of the bank: the statement date is the effective date of the payment as the bank did it.

here, the change only affects the payment date when using statement. so I think it covers most of the cases. else it would mean the statement date isn't the date of payment ? I dunno.

review253031002 updated at https://codereview.tryton.org/253031002/#ps288991002

review253031002 updated at https://codereview.tryton.org/253031002/#ps256511002

review253031002 updated at https://codereview.tryton.org/253031002/#ps282961002

review253031002 updated at https://codereview.tryton.org/253031002/#ps273021003

New changeset 1b86b11c3c2c by Sebastien Marie in branch 'default':
Use the date of the statement as date for the clearing move
https://hg.tryton.org/modules/account_payment_clearing/rev/1b86b11c3c2c

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closed

New changeset 12d8c617ecd9 by Cédric Krier in branch 'default':
Use the date of the statement as date for the clearing move
https://hg.tryton.org/tryton-env/rev/12d8c617ecd9