Page label not proper for the list page of a subobject of another subobject

Steps to reproduce: 

1. Login to CA PPM as admin user. 
2. Create a Master Object as A. 
3. Create another Object B, as Sub-object of A. 
4. Create another Object C, as Sub-object of B. 
5. Go to Home --> Custom Objects --> A List 
6. Create an instance of Object A. 
7. Name that instance of Object A as A1. 
8. Go to the properties page of A1. 
9. Click on the Properties Drop down and click on B List. 
10. See the Label of the page: "A: A1 - B List - Properties" 
11. Create an instance of Object B and name it as B1. 
12. Go to properties page of B1, and click on Properties drop down list. 
13. Click on C List, to view the List page for Object C instance. 
14. The label of the page is: "A: A1 | B: B1 - B Properties"

Expected result: The label should be "A: A1 | B: B1 | C List - Properties"

Actual result: The label is having the title as "A: A1 - B List - Properties", which is not right and confusing

Due to defect CLRT-81233 or DE29503.

CA PPM 14.2, 14.3, 14.4

The issue has been fixed in CA PPM 15.3.