Accept Merge Request #1472: (feature/plan_slow -> develop)

Merge Request: 修改排程逻辑

Created By: @胡尧
Accepted By: @胡尧
URL: https://jikimo-hn.coding.net/p/jikimo_sfs/d/jikimo_sf/git/merge/1472?initial=true

sf_plan/models/custom_plan.py

@@ -246,6 +246,7 @@ class sf_production_plan(models.Model):
                             record.date_planned_finished = item.date_planned_finished
                             # 计算下一个cnc工单的开始时间
                             last_cnc_start = workorder_list[-1].date_planned_finished + timedelta(minutes=pre_duration)
+                    # 没有工单也能排程
                 record.state = 'done'
                 # record.production_id.schedule_state = '已排'
                 record.sudo().production_id.schedule_state = '已排'