Purpose : Various relabelling and design improvements in crm:
- opportunity, lost reason, lead, team, tag forms
- hide "convert to opportunity" button for inactive/lost
leads (actually nothing happened when clicked anyway)
- Checkbox in crm.team to hide all alias related fields
- New many2one field appearing in crm.team form to select the user to
whom lead created by alias will be assigned.
- Set the admin as leader of the initial crm.team
closesodoo/odoo#28851