Description of problem:
There is no Edit option when selecting a disk in disk tab - It's only possible to edit a disk inside the "Edit Virtual Machine" window.

Version-Release number of selected component (if applicable):
ovirt-engine-4.3.5.2-0.1.el7.noarch

How reproducible:
100%

Steps to Reproduce:
1. Log in the engine
2. In the left panel tabs, go to Storage -> Disks
3. Select a disk (and/or click in a disk to open its details)

Actual results:
No Edit option neither when selecting a disk among the many available nor when opening the details of the selected disk.

Expected results:
Have the Edit option either when selecting a disk among the many available or when opening the details of the selected disk.

Additional info: