Merge pull request OCA#5473 from Tecnativa/17.0-ou_fix-base-private_contact_null_name

[17.0][OU-FIX] base: Cover private contact with no name

Author: Pedro M. Baeza

openupgrade_scripts/scripts/base/17.0.1.3/pre-migration.py

@@ -222,6 +222,8 @@ def _handle_partner_private_type(cr):
     openupgrade.copy_columns(cr, _column_copies)
     # Change contact type and erase sensitive information
     query = "type = 'contact'"
+    # name of private contact may be null, which is forbidden by res_partner_check_name
+    query += ", name = COALESCE(name, '*****')"
     for field in [
         "street",
         "street2",