Description of problem: Mi/Gi/Ti is shown instead of MiB/GiB/TiB

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

How reproducible: always

Steps to Reproduce:
1. Open or create VM
2. Open Disks tab and click "Add Disk" button
3.

Actual results: units dropdown shows Mi/Gi/Ti

Expected results: MiB/GiB/TiB

Additional info: the value in div is wrong, so the typo is probably in BE