Fix CAPI provider scale-down when current replicas exceed maxSize

[MaxFedotov]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #9395

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: MaxFedotov
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[k8s-ci-robot]

Hi @MaxFedotov. Thanks for your PR.

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