users not granted new permissions on module upgrade

Steps to reproduce

assign a permission that has subPermissions to a user (this is a immutable permission part of some module).

Upgrade the module with a new permission added to the list of subPermissions.

What happens

The user is rejected when accessing the path with the new permission in subPermissions.

Expected

The user should be able to access the path the permission has it has as part of subPermissions.