The FormView can autofocus a `default_field` if it exists, or, the first usable field. This commit moves the logic to the FormRenderer, has we need this feature in the KanbanRecordQuickCreate. Besides, it makes sense for the FormRenderer to have that responsibility. closes odoo/odoo#99297 Signed-off-by: Lucas Perais (lpe) <lpe@odoo.com>