Katib Controller fails to run as non-root user in OpenShift

[vpavlin]

/kind bug

What steps did you take and what happened:
[A clear and concise description of what the bug is.]

• Deploy Katib with kfctl on OpenShift 4.x cluster
  • You can follow this WIP PR: Add OpenShift KFDef opendatahub-io/manifests#4
• Katib Controller fails with error about not being able to bind to port :443

What did you expect to happen:

Katib Controller starts and runs successfully.

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

• OpenShift 4.x