[pipelines-plugin]: First available ACS sub tab should be active

[karthikjeeyar]

Description:

ACS section should activate the first available subtab when it is opened. It is now only opening the Image Scan tab based on the availability of the data.

How to reproduce:

Do not pass the acsImageScan data to the output component.

<Output
      enterpriseContractPolicies={mockEnterpriseContractUIData ?? []}
      acsImageCheckResults={acsImageCheckResults}
      acsDeploymentCheckResults={acsDeploymentCheckResults}
      results={pipelineRun?.status?.results
      pipelineRunName={pipelineRun?.metadata?.name}
      pipelineRunStatus={'Succeeded'}
    />

Actual Result:

Expected Result: