[12.0][IMP] account_payment_order: show total on account.move.line tree

[robinkeunen]

Shows total to the fields balance, amount_residual, amount_residual_currency columns in account.move.line tree view.

Before:

After:

By the way, I guess there is a reason why this view is updated in the fields_view_get function rather than in an xml view but I don't understand it. Can someone explain ?

[robinkeunen]

I fixed the linting errors linked to this module, should I also fix the errors not linked to account_payment_order module ?

[enricostano]

:+1:

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