[FIX] website: prevent user to unlink default_website

Previously when we tried to delete default_website it was deleted.

In this commit we have fixed this issue by preventing user to unlink
default_website.Also we remvoe _unlink_except_last_remaining_website
method.

sentry-3874625419

closes odoo/odoo#113405

X-original-commit: 637af9f747bda0d6b4607d02a0e51d44cf889a89
Signed-off-by: Romain Derie (rde) <rde@odoo.com>

addons/website/i18n/website.pot

@@ -10303,6 +10303,14 @@ msgstr ""
 msgid "You can't remove the submit button of the form"
 msgstr ""
 
+#. module: website
+#. odoo-python
+#: code:addons/website/models/website.py:0
+#, python-format
+msgid ""
+"You cannot delete default website %s. Try to change its settings instead"
+msgstr ""
+
 #. module: website
 #. odoo-javascript
 #: code:addons/website/static/src/snippets/s_website_form/options.js:0
@@ -10338,13 +10346,6 @@ msgstr ""
 msgid "You may opt-out of a third-party's use of cookies by visiting the"
 msgstr ""
 
-#. module: website
-#. odoo-python
-#: code:addons/website/models/website.py:0
-#, python-format
-msgid "You must keep at least one website."
-msgstr ""
-
 #. module: website
 #: model_terms:ir.ui.view,arch_db:website.s_faq_collapse
 msgid ""

addons/website/models/website.py

@@ -282,10 +282,10 @@ class Website(models.Model):
                 raise ValidationError(_("The homepage URL should be relative and start with '/'."))
 
     @api.ondelete(at_uninstall=False)
-    def _unlink_except_last_remaining_website(self):
-        website = self.search([('id', 'not in', self.ids)], limit=1)
-        if not website:
-            raise UserError(_('You must keep at least one website.'))
+    def _unlink_except_default_website(self):
+        default_website = self.env.ref('website.default_website', raise_if_not_found=False)
+        if default_website and default_website in self:
+            raise UserError(_("You cannot delete default website %s. Try to change its settings instead", default_website.name))
 
     def unlink(self):
         self._remove_attachments_on_website_unlink()