[ACM-11300] Enhance discovery controller to support MultiClusterEngineHCP type discovered clusters

[dislbenn]

Description

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Related Issue

https://issues.redhat.com/browse/ACM-11300

Changes Made

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Screenshots (if applicable)

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Checklist

• I have tested the changes locally and they are functioning as expected.
• I have updated the documentation (if necessary) to reflect the changes.
• I have added/updated relevant unit tests (if applicable).
• I have ensured that my code follows the project's coding standards.
• I have checked for any potential security issues and addressed them.
• I have added necessary comments to the code, especially in complex or unclear sections.
• I have rebased my branch on top of the latest main/master branch.

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Definition of Done

• Code is reviewed.
• Code is tested.
• Documentation is updated.
• All checks and tests pass.
• Approved by at least one reviewer.
• Merged into the main/master branch.

[dislbenn]

/retest

[dislbenn]

/retest

[dislbenn]

/retest

[dislbenn]

/cc @cameronmwall @ngraham20

[sonarcloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
72.7% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[ngraham20]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dislbenn, ngraham20

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