Add wizard to confirm payments

CHANGELOG:

### Added
- [#699](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/699) Add wizard to confirm payments on invoicing tree view

Related card: https://trello.com/c/eNpFmZsN/1053-acci%C3%B3-confirmar-a-la-vista-tree-dodres-de-cobraments-pagaments

---