Add expand on tree view

and unify layout of form view.

issue8644
review262131002

view/invoice_line_tree.xml

@@ -5,13 +5,13 @@ this repository contains the full copyright notices and license terms. -->
     <xpath
         expr="/tree/field[@name='invoice']"
         position="before">
-        <field name="party"/>
+        <field name="party" expand="1"/>
         <field name="invoice_type"/>
     </xpath>
     <xpath
         expr="/tree/field[@name='amount']"
         position="after">
         <field name="currency"/>
-        <field name="company"/>
+        <field name="company" expand="1"/>
     </xpath>
 </data>

view/invoice_line_tree_sequence.xml

@@ -3,6 +3,6 @@
 this repository contains the full copyright notices and license terms. -->
 <data>
     <xpath expr="//field[@name='invoice']" position="before">
-        <field name="origin"/>
+        <field name="origin" expand="1"/>
     </xpath>
 </data>