修复完善取消订单问题

sf_manufacturing/views/sale_order_views.xml

@@ -40,6 +40,12 @@
                     type="object" 
                     attrs="{'invisible': [('state', 'not in', ['sale', 'processing'])]}"
                 />
+                <button
+                    name="action_show_cancel_wizard"
+                    string="取消清单"
+                    type="object"
+                    attrs="{'invisible': [('state', 'not in', ['cancel'])]}"
+                />
             </xpath>
         </field>
     </record>