Created attachment 927927 [details]
Image showing throbber on Datacenter row item

Description of problem:
When unselecting a row item such as a Datacenter or domain or Disk->Storage subtab (click then Ctrl + left click) and then re-select, a throbber comes up which never completes.  This happens on all row items which have tables with headers that fetch data

Version-Release number of selected component (if applicable):
rc1

How reproducible:
90%

Steps to Reproduce:
1. Click on a Datacenter row item and then unselect it (using Ctrl + left click)
2. Re-select the same row item

Actual results:
A throbber comes up which never completes

Expected results:
The data should be fetched

Additional info: