胚料bug修复，销售订单明细行路线修复，编程单下发优化

sf_manufacturing/models/mrp_workcenter.py

@@ -7,6 +7,12 @@ class ResWorkcenter(models.Model):
     _inherit = "mrp.workcenter"
     machine_tool_id = fields.Many2one('sf.machine_tool', '机床')
 
+    @api.onchange('machine_tool_id')
+    def get_machine_tool_is_binding(self):
+        print('1111111')
+        for item in self:
+            item.machine_tool_id.is_binding = False
+
     equipment_ids = fields.One2many(
         'maintenance.equipment', 'workcenter_id', string="Maintenance Equipment",
         check_company=True)