修复报废-拣货单（sfp）

sf_manufacturing/views/mrp_production_addional_change.xml

@@ -130,7 +130,7 @@
                             attrs="{'invisible': ['|',('state', '!=', 'rework') ,('programming_state', '!=', '已编程')]}"/>
                     <button name="button_scrap_new" string="报废" type="object"
                             groups="sf_base.group_sf_mrp_user"
-                            attrs="{'invisible': [('is_scrap', '=', False)]}"/>
+                            attrs="{'invisible': ['|',('is_scrap', '=', False),('state','=','cancel')]}"/>
                 </xpath>
                 <xpath expr="(//header//button[@name='button_mark_done'])[3]" position="replace">
                     <button name="button_mark_done" attrs="{'invisible': [