item: use temp delivery line to allow edition of quantities on create item fast input

bt5/erp5_item/SkinTemplateItem/portal_skins/erp5_item_trade/DeliveryLine_getTempItemList.xml

@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string>from Products.ERP5Type.Document import newTempBase\n
+            <value> <string>from Products.ERP5Type.Document import newTempDeliveryLine\n
 portal = context.getPortalObject()\n
 \n
 try:\n
@@ -61,7 +61,7 @@ except ValueError:\n
 result = []\n
 \n
 for i in range(count):\n
-  obj = newTempBase(portal, id="tmp_item_%s" % i, uid="new_item_%s" % i)\n
+  obj = newTempDeliveryLine(portal, id="tmp_item_%s" % i, uid="new_item_%s" % i)\n
   result.append(obj)\n
 \n
 return result\n