Description of problem:
the dialog element "tag control" does not display when used in a custom dialog

Version-Release number of selected component (if applicable):
5.5.0.13

How reproducible:
all the time

Steps to Reproduce:
1. create a dialog and include the element "tag control" using a category provided out of the box
2. create a catalog and catalog item to provision using that dialog
3.

Actual results:
the tag control element is not displayed

Expected results:
the tag control element is displayed

Additional info:
initial search by the consultant on site ended in the css and suggests a change in  the /var/www/miq/vmdb/public/assets/application-5314053c972cb5a4c81a072c6a59c636a35ad78f9dd9d0bba5b8aab5b47a14ae.css file on the appliance (removing select.selectpicker{display:none !important} ) - edited from chrome.