[FIX] column visibility, due to removal of attribute computation and replacement with modifiers mapping

bzr revid: xmo@openerp.com-20110712143408-tv1wlyfolfj0qish

addons/base/static/src/js/list.js

@@ -308,6 +308,9 @@ openerp.base.ListView = openerp.base.View.extend( /** @lends openerp.base.ListVi
                         'invisible': domain_computer(modifiers.invisible, fields)
                     };
                 };
+                if (modifiers['tree_invisible']) {
+                    column.invisible = '1';
+                }
             } else {
                 column.modifiers_for = noop;
             }