Do not test payment term date in the past for supplier invoices

Following https://www.tryton.org/~irclog/2021-04-29.log.html#t10:04-5

assigned to @pokoli

added accounting type::behavior + 1 deleted label

added 1 deleted label and removed 1 deleted label

New review361821003 at https://codereview.tryton.org/361821003/#ps349781002

tested, and it works well. thanks

New changeset 483b4ac76902 by Sergi Almacellas Abellana in branch 'default':
Do not test past payment date for supplier invoices
https://hg.tryton.org/modules/account_invoice/rev/483b4ac76902

added 1 deleted label and removed 1 deleted label

closed

New changeset c6fca81997d5 by Sergi Almacellas Abellana in branch 'default':
Do not test past payment date for supplier invoices
https://hg.tryton.org/tryton-env/rev/c6fca81997d5