Description of problem:
There are few validation error texts that are not being translated.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. set translated language
2. simulate validation error (e.g. try to rename internal admin user)
String is not translated
String is translated
Merged in https://github.com/theforeman/foreman/commit/e52abb1
Moving this to be tested during MDP3, not critical for MDP2 success story
This was delivered with 6.0.3, which is the Satellite 6 Beta.