[2128002] Error after VM template deletion

Description of problem:
Error displayed after VM Template deletion.

Version-Release number of selected component (if applicable):

How reproducible:
not always

Steps to Reproduce:
1. Create/clone some template
2. Try to delete the template

Actual results:
Error, 404: Page Not Found displayed after VM Template deletion.

Expected results:
VM Templates list is displayed.

Additional info:
This issue is related to the user created templates (not common templates).
No matter if the template is deleted from its details page or from the VirtualMachine Templates list.