Add OKD on CAPO CI deployment values

Andrew Kiselevrequested to merge
okd-capo-ci into main

Extend wkld-okd for CAPO RHCOS/ignition/OKD, refactor mgmt-okd so CAPM3 BMH settings apply only on capm3, and add assisted installer DNS for OKD management clusters.

Sylva-core changes: sylva-projects/sylva-core!8333 (merged)

Edited by Andrew Kiselev

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