DID assign successfully from reseller portal, DID is not displaying in DID grid in Reseller's customer portal.

Steps to reproduce:-

==============================================

1. Login as Reseller.
2. Go to inbound
3. Go to DIDs.
4. any DID assign to Customer. 
5. Now login as Customer.
6. Go to inbound
7. Go to DIDs and Observe.

Actual Result:- After DID assigned to the customer, DID is not displaying in DID grid in customer portal.

Expected result:- when DID assign by reseller to any own customer, then DID should be display in DID grid in customer portal.

See attached videos: