[IMP] document_page_access_group_user_role: Users compatibility

TT48786

document_page_access_group_user_role/migrations/16.0.1.1.0/post-migration.py

@@ -0,0 +1,13 @@
+# Copyright 2024 Tecnativa - Víctor Martínez
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from openupgradelib import openupgrade
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    """Pages that had roles should now have the correct users."""
+    pages = env["document.page"].sudo().search([("role_ids", "!=", False)])
+    for page in pages:
+        users = page.mapped("role_ids.users")
+        page.role_ids = False
+        page.user_ids = users