This commit introduces some user experience improvements:
- Always display sale_line_id field whether partner_id is set or not.
- Don't restrict sale orders to the partner_id's one
- Set partner_id to the one of the SOL if partner_id is False
- Remove create option for fields 'user_ids'
- Display the kanban state in the kanban view even in fsm
Task 2585357
closes odoo/odoo#73531
Related: odoo/upgrade#3211
Related: odoo/enterprise#19812
Signed-off-by: Laurent Stukkens (ltu) <ltu@odoo.com>
Co-authored-by: Priyanka Kakadiya <pka@odoo.com>