1、处理制造订单返工确认后，状态还是返工的bug；2、隐藏已取消状态的采购单【确认订单】按钮

sf_sale/views/purchase_order_view.xml

@@ -42,7 +42,7 @@
                     <button name="button_confirm" type="object" context="{'validate_analytic': True}"
                             string="确认订单" id="draft_confirm"
                             groups="sf_base.group_purchase,sf_base.group_purchase_director"
-                            attrs="{'invisible': [('state', 'in', ['purchase'])]}"
+                            attrs="{'invisible': [('state', 'in', ['purchase', 'cancel'])]}"
                     />
                 </xpath>
                 <xpath expr="//form/header/button[@name='action_rfq_send'][1]" position="replace">