[FIX] core: env creation broken because of missing cr.transaction

A cursor created by a Connection object is not expected to be used with
environments; use registry.cursor() instead.

closes odoo/odoo#78143

X-original-commit: 6aeb73f10953f3547b7cf830718c02a3933df9e0
Signed-off-by: Raphael Collet (rco) <rco@openerp.com>

doc/cla/individual/Albin-John.md

@@ -0,0 +1,11 @@
+India, 2021-10-09
+
+I hereby agree to the terms of the Odoo Individual Contributor License
+Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this
+declaration.
+
+Signed,
+
+Albin John albin_john@tutamail.com https://github.com/Albin-John

odoo/service/db.py

@@ -62,7 +62,7 @@ def _initialize_db(id, db_name, demo, lang, user_password, login='admin', countr
 
         registry = odoo.modules.registry.Registry.new(db_name, demo, None, update_module=True)
 
-        with closing(db.cursor()) as cr:
+        with closing(registry.cursor()) as cr:
             env = odoo.api.Environment(cr, SUPERUSER_ID, {})
 
             if lang: