Operator will skip secret generation if refs are provided

What does this MR do?

Operator will skip secret generation if refs are provided

Following secrets will be skipped if secret ref are provided:

• internal api secret
• host keys
• initial root password

Author's Checklist

For anything in this list which will not be completed, please provide a reason in the MR discussion.

Required

• Ensure a release milestone is set.
• MR title and description are up to date, accurate, and descriptive.
• MR targeting the appropriate branch.
• MR has a green pipeline on GitLab.com.
• When ready for review, MR is labeled workflowready for review per the MR workflow.

Expected

• Test plan indicating conditions for success has been posted and passes.
• Documentation is created or updated.
• Tests are added.

Related issues

Closes #71 (closed)