Created attachment 1511589 [details]
Video capture of the issue

Description of problem:
Via Webadmin , change the Disks window Content type between Data & ISO while multiple image downloads + ISO upload is running & the table will twitch with wrong disks(template disks that are attached to VM's) for a couple of seconds - See video of the issue attached.

Version-Release number of selected component (if applicable):
4.3.0-0.2.master.20181128141347.git38908dd.el7

How reproducible:
100%

Steps to Reproduce:
1.Create VM's from template disk
2.Start uploading ISO + downloading several data disks
3.via webadmin goto disks & change content type between 'Data' & 'ISO' (or the other way around.

Actual results:
The table will twitch with wrong disks(template disks that are attached to VM's) for a couple of seconds - See video of the issue attached - See video capture attached.


Expected results:
The table should not twitch.

Additional info:
See video capture attached.