The current smartbutton is Employee(s) and it redirects to kanban view by default, no matter how many employees a user / partner has. 9 out of 10 times a user / partner only has one linked employee, this change renames the label to 'Employee' and redirects to the form view if there is only one employee if there are more, the previous action is called linked upgrade: odoo/upgrade#4363 this closes odoo/odoo#111439 Signed-off-by: Kevin Baptiste <kba@odoo.com>