[FIX] web: handle nested x2m default values

The initial rev. odoo/odoo@2d3ecf2 that was supposed to handle this use case
was in fact only dealing with one command as default value for nested x2m, not
more.

The basic model can now handle multiple commands.

Closes #24241

1 files changed, 1 insertions, 1 deletions

diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index 969e81576b1..e311378eee4 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -3636,7 +3636,7 @@ var BasicModel = AbstractModel.extend({
                             r._changes[fieldName] = rec.id;
                             many2ones[fieldName] = true;
                         } else if (_.contains(['one2many', 'many2many'], fieldType)) {
-                            var x2mCommands = commands[0][2][fieldName];
+                            var x2mCommands = value[2][fieldName];
                             defs.push(self._processX2ManyCommands(r, fieldName, x2mCommands));
                         } else {
                             r._changes[fieldName] = self._parseServerValue(field, r._changes[fieldName]);