Symptom:
Displayin all devices for selection eventhough restricted by ObjectGroup

Conditions:
1) Create a new Object Group with access to 1 device (xyz_device).
2) Associate the object group to a new Role created (Role_OG)
3) Create another role (Role_L2VPN) with the copy of L2VPNRole and change the role as follows for making the user accessible to EVC SR requests, but denying the devices
    3.a) In Device row, all checkboxes should be unchecked.
    3.b) In Customer row, only View should be checked.
    3.c) In Provider row, View and modify should be checked
    3.d) In PE row, all checkboxes should be unchecked.
    3.e) In CPE row, all checkboxes should be unchecked.
4) Create a user (xyz_user) with the above two Roles (Role_OG and Role_L2VPN)
        Now the user is accessible to one and only device xyz_device in Inventory -> Devices page.
5) Create a EVC SR and try to add a device other than xyz_device in Direct Connect links.