Description of problem:

Clicking on 'Delete' button of a saved filter shows a confirmation dialog. If user clicks Cancel button on the confirmation dialog, the saved filter is deleted with success message.

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

Version 5.8.0.7.20170321164727_1c97ccd 

How reproducible:

Always

Steps to Reproduce:

1. Navigate to the Providers (Tried Middleware, network and cloud provider)
2. Click on advanced search, 
3. Specify some random conditions as a filter and then save the filter.
4. Click on Delete button.
5. Click on 'Cancel' button on the delete confirmation dialog
6. Observe that it shows a delete success message.

Actual results:

Canceling delete on delete confirmation dialog deletes the filter.

Expected results:

The saved filter delete should be canceled.

Additional info: