Add expand on tree view

and unify layout of form view.

issue8644
review262131002

view/package_tree.xml

@@ -2,7 +2,7 @@
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
 <data>
-    <xpath expr="/tree/field[@name='shipment']" position="after">
+    <xpath expr="/tree/field[@name='type']" position="after">
         <field name="total_weight"/>
         <field name="total_volume"/>
     </xpath>