Created attachment 1166026 [details]
turn rounded sort form

Description of problem:
Sorting select form in virtual machines is opened down instead of up.

Version-Release number of selected component (if applicable):
5.6.0.10

How reproducible:
80%

Steps to Reproduce:
1. Add an infrastructure provider
2. Compute-> Infrastrcture -> Virtual Machines
3. Unwrap sorting select form and click on already selected item to sort

Actual results:
Sorting select form is turn rounded 

Expected results:
Sorting select form shouldn't be turn rounded at all

Additional info:
screenshot attached