Review editable attribute

Use top for main tree and bottom when inside a field.

issue8430
review255581002

trytond/ir/view/lang_list.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree editable="bottom">
+<tree editable="top">
     <field name="name"/>
     <field name="code"/>
     <field name="direction"/>

trytond/ir/view/module_config_wizard_item_list.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree editable="bottom">
+<tree editable="top">
     <field name="action"/>
     <field name="sequence"/>
     <field name="state"/>

trytond/ir/view/translation_list.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree editable="bottom">
+<tree editable="top">
     <field name="src" widget="char"/>
     <field name="value" widget="char"/>
     <field name="fuzzy"/>