fix(CRMLeadRemesaWizard) action_set_remesa object reference
CHANGELOG:
### Fixed
- [#928](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/928) Fix CRMLeadRemesaWizard action_set_remesa object reference
Related card: https://trello.com/c/bTCpCkk9/1465-filtres-remesa-men%C3%BA-peticions
Fix error:
File "/home/odoo/pyenv/versions/3.7.7/envs/odoo/src/odoo12-addon-somconnexio/setup/somconnexio/odoo/addons/somconnexio/wizards/crm_lead_remesa/crm_lead_remesa.py", line 13, in button_remesa
lead.action_set_remesa()
AttributeError: 'crm.lead.remesa.wizard' object has no attribute 'action_set_remesa'