Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1921095

Description of problem:
Build status gets set to Pending installation when running script from Registration Tab.

Version-Release number of selected component (if applicable):
Satellite 6.9

How reproducible:
100%

Steps to Reproduce:
1. Provision host
2. Host has property Build set to Installed
3. Run register from Registration Tab

Actual results:
Build is set to Pending installation

Expected results:
No change to Build status

Additional info: