Description of problem:
When selecting and deselecting different sections of columns from the Manage Columns widget in the redesigned All Hosts Page, the 'Content' section of checkboxes can disappear.

How reproducible:
Mostly Consistent

Steps to Reproduce:
1.Turn the redesigned All Hosts page setting to yes.
2.Navigate to the All Hosts page.
3.Select the Reported Data checkbox, and click save.
4.Deselect the Reported Data checkbox, and click save.

Actual results:
Some of the time that you do this, the Content checkbox and sub-selections will disappear.

Expected results:
The Content checkboxes shouldn't disappear when interacting with other checkboxes in the Manage Content widget.