Fix/product catalog discontinued and public

CHANGELOG:

### Fixed
- [#762](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/762) Fix product catalog visibility in wizards.

Related card: https://trello.com/c/hYrhg2ZY/1157-bot%C3%B3-producte-sollicitat-petici%C3%B3-manual-cu-filtre-per-productes-publicats

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