Rename crm_lead_line `category_id` for `partner_category_id`
CHANGELOG:
### Fixed
- [#877](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/877) Rename crm_lead_line `category_id` for `partner_category_id`
Related card: https://trello.com/c/kVjidQTE/1408-error-creant-crmleadlines-manualment-per-la-ui
Edited by Pelayo García