Background

To prevent concurrent reconciles from the capi, mapi, machine_sync and machine_migration controllers while the .status.AuthoritativeAPI is empty, we need to propagate the .spec.authoritativeAPI value to the .status.authoritativeAPI if it is empty/not set.

Context: https://redhat-internal.slack.com/archives/GE2HQ9QP4/p1747044925443129?thread_ts=1745998127.382269&cid=GE2HQ9QP4 

Steps

• Determine if we can use MAP (Mutating Admission Policy) (We can't)
• Implement behaviours for MAPI creation as per above description.
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Stakeholders

• Cluster Infra
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Definition of Done

• When creating a MAPI resource that has an empty .status.authoritativeAPI, above rules on defaulting are observed

• Docs

• <Add docs requirements for this card>

• Testing

• <Explain testing that will be added>